ChatGPT answers, unedited

For an agency managing recurring health checks across many client sites, these are worth considering:

• Sitebulb Cloud — particularly strong for recurring technical audits: unlimited projects, scheduled crawls, collaboration, and portfolio-wide reporting. Sitebulb Sitebulb
• Semrush — broader SEO suite; manage multiple client projects, schedule Site Audits, track rankings/backlinks, and produce white-label reports. Semrush Semrush
• Sitechecker — agency-oriented monitoring with unified dashboards, alerts, audits, and white-label reporting across many sites. sitechecker.pro

If technical site health is the core service: Sitebulb Cloud is worth a close look. If you also sell ongoing SEO/rank tracking: Semrush is the more comprehensive platform.

For an agency doing recurring health checks across many client sites, you’ll usually want something that handles:

• multiple client workspaces/projects
• scheduled crawls
• issue history and trend tracking
• client-ready reports (ideally white-labelled)
• team access/permissions
• integrations with tickets, analytics, Search Console, etc.

The best fit depends on whether your “site health” means mostly SEO, broader QA, performance, accessibility, or all of the above.

Agency-focused audit platforms

CodeItBro## More “client health dashboard” style tools

These are closer to “log in every month, see every client’s health score, send report” workflows:

• Website Verdict — built around agency audits, scheduled re-scans, client-friendly explanations, and branded exports. Website Verdict
• SiteGauge — tracks multiple sites for performance, accessibility, SEO, best practices, certificates, and notifications. SiteGauge
• Visaro Website Audit — aimed at repeatable agency audit workflows with workspaces, schedules, exports, and client reporting. Visaro
• Jakka AI — positions itself around a single dashboard for many client sites, scheduled scans, white-label reporting, and issue tracking. Jakka AI

If I were choosing for an agency workflow

5–20 client sites

Look at:

• SE Ranking
• Semrush
• Website Verdict
• SiteGauge

You’ll get enough automation without enterprise overhead.

20–200+ client sites

Look at:

• Semrush Agency workflows
• Lumar
• Ahrefs + reporting layer
• dedicated audit dashboard products

You mainly sell “monthly website care plans”

Prioritise:

1. white-label reports
2. scheduled scans
3. change tracking
4. client portal/dashboard
5. issue prioritisation

A crawler alone (like Screaming Frog) is powerful, but agencies often outgrow it because someone still has to turn exports into client deliverables.

A common agency stack

• Technical crawl: Screaming Frog / Semrush / Ahrefs
• Performance: Lighthouse / PageSpeed Insights
• Security checks: SSL/domain/security-header monitoring
• Reporting: AgencyAnalytics, Looker Studio, or a white-label audit platform
• Task management: Jira, ClickUp, Asana, Trello, etc.

If you tell me roughly how many sites you manage (10, 50, 500+) and whether these checks are SEO-only or full website QA (SEO + speed + accessibility + security), I can narrow this down.

Yes. For an agency managing recurring health checks across many client sites, I’d separate the options into three categories:

My shortlist for an agency

1. Ahrefs — best if your audits are primarily technical SEO.
Ahrefs lets you organize sites as projects, schedule recurring crawls, retain crawl history, and now has an Always-on Audit mode that continuously crawls sites and alerts you to important changes. Ahrefs Ahrefs Help Center

ahrefs.com

2. Semrush — probably the best all-rounder if you also manage keywords, competitors, backlinks, etc. Site Audit supports domain/subdomain/subfolder scopes and automatic daily or weekly re-crawls. Semrush Semrush

semrush.com

3. SiteHealth — interesting if what you really mean by "site health check" is broader than SEO: uptime, broken pages, security, SEO regressions, and client-facing monitoring. It explicitly targets agencies managing 10–100+ sites and provides a multi-site dashboard and white-label reporting. SiteHealth

sitehealth.app

4. Website Verdict — worth looking at if the deliverable to the client matters as much as the audit itself. It supports batch scans, scheduled monitoring, comparable checks across a client portfolio, and white-label PDF/CSV reports. Website Verdict

websiteverdict.com

5. Screaming Frog — excellent as the deep-dive crawler in your toolkit rather than necessarily your central agency dashboard. It can schedule recurring crawls, automatically export results, connect to GA/GSC/PageSpeed, and run crawls from saved configurations. Screaming Frog Screaming Frog

screamingfrog.co.uk

What I'd choose

If you have dozens or hundreds of client sites, I'd lean toward:

Portfolio monitoring: SiteHealth / Website Verdict
Deep SEO auditing: Ahrefs or Semrush
Technical investigations: Screaming Frog

That gives you a nice workflow of "something changed → identify the problem → investigate deeply → produce a branded client report."

If you tell me roughly how many sites you manage (e.g. 20, 100, 500) and whether the checks need SEO only vs. uptime/security/performance/accessibility, I can narrow this down to the 2–3 best fits and compare their agency pricing/workflows.

Yes. For an agency doing recurring site-health audits across many client websites, I’d look for tools that handle four things well: multi-site/project management, scheduled crawls, issue history, and client-ready reporting.

Best fits

• Sitebulb — Probably my top choice if the core service is technical SEO. Sitebulb Cloud supports unlimited projects, scheduled recurring crawls, team collaboration, large crawls, and reporting/data visualization. Sitebulb Sitebulb

sitebulb.com

• Semrush — Better if you want audits alongside rank tracking, keyword research, competitors, backlinks, etc. It's more of an agency-wide SEO platform than a pure crawler. Current agency comparisons highlight its scheduled auditing and reporting capabilities. RankPath

semrush.com

• SE Ranking — Worth considering if you're managing a sizeable client roster and want a relatively cost-efficient recurring workflow, with health-score history, reporting and agency-oriented features. Big News Network RankPath

seranking.com

• Sitechecker — Particularly interesting if your goal is ongoing monitoring rather than periodic deep technical crawls. It provides a unified dashboard across client sites plus alerts for site health, Search Console, GA4 and content changes. Sitechecker

sitechecker.pro

• Screaming Frog — Excellent for deep technical investigations, but less suitable as the central system for a recurring multi-client monitoring program because it's primarily a desktop crawler and doesn't provide the same automated portfolio-management workflow. RankPath

screamingfrog.co.uk

What I'd choose for an agency

If your service looks like:

Every month → automatically crawl 50+ client sites → detect new/fixed issues → review exceptions → generate client report

I'd shortlist Sitebulb Cloud, SE Ranking, and Sitechecker first.

If you also sell broader SEO services, Semrush becomes more compelling because you can consolidate the audit with rankings, backlinks, keywords, and competitive research.

A particularly strong setup is Sitebulb + your reporting/CRM system: Sitebulb can feed recurring crawl data into dashboards, including change-over-time data, rather than making your team manually audit every site each month. Sitebulb

If you tell me roughly how many client sites you manage (10 / 50 / 100 / 500+) and whether you need white-label reports + client portals, I can narrow this down to the 2–3 best options and compare their agency pricing/workflows.

Yes. For an agency managing recurring technical/SEO health checks across many client sites, I’d shortlist these:

• sitebulb.com — best fit for recurring technical audits. You can create projects for many sites, schedule audits daily/weekly/monthly, keep historical crawl data, collaborate with your team, and run multiple audits concurrently on larger plans. Sitebulb specifically positions Cloud for agencies managing multiple websites. Sitebulb Sitebulb Sitebulb Support
• semrush.com — best if audits are part of a broader SEO agency stack. Projects can be organized by client/domain, with Site Audit alongside rankings, backlinks, competitors, etc. It also offers branded/white-label reporting. Site Audit can run automatically weekly or daily. Semrush Semrush
• ahrefs.com — strong for SEO monitoring + technical audits. Each client site can be a Project, Site Audit can be scheduled, and verified projects can be added without a project-count limit. It also gives you rank tracking and backlink data in the same system. Ahrefs Ahrefs Help Center Ahrefs Help Center

What I'd choose

For an agency doing something like “every client gets a technical health check every month”, I'd lean Sitebulb Cloud. Its scheduling is particularly suited to this workflow: each project can have its own recurring schedule, and the audit data is waiting for the team when the crawl finishes. Sitebulb Support Sitebulb

If you tell me roughly how many client sites you manage (e.g. 20, 100, 500+) and whether you need white-label reports, I can narrow this down to the best 2–3 options and compare their agency plans.

Yes. For an agency doing recurring technical/site-health audits across many client sites, I’d look at these first:

My pick: Sitebulb Cloud

For your specific model—“we check every client's site every month/week and need to manage the portfolio efficiently”—Sitebulb is particularly well suited.

It supports recurring crawl schedules, cloud crawling, team collaboration, and no project limits or crawl-credit system. It also has portfolio-level reporting, so you can monitor audit scores and issue trends across multiple clients. Sitebulb Sitebulb

A particularly useful agency workflow is:

Client sites → scheduled Sitebulb crawls → issue/health tracking → Looker Studio portfolio dashboard → client report

Sitebulb says its Looker Studio integration can automatically update dashboards after each crawl and provides a multi-project template for viewing multiple client sites together. Sitebulb

If you prefer Screaming Frog

Screaming Frog is excellent if your audits need to be very technically detailed and you don't mind managing the infrastructure yourself.

You can schedule crawls at chosen intervals, duplicate configurations for different domains/clients, save crawl histories, export to Google Sheets, and feed time-series data into Looker Studio. Screaming Frog Screaming Frog

The tradeoff is that it's primarily a desktop crawler, whereas Sitebulb Cloud is designed around cloud-scale, multi-user agency workflows.

If you want an all-in-one SEO platform

Semrush makes more sense if "site health" is only one part of your recurring service. You can manage multiple client projects and combine site audits with rank tracking, backlinks, competitive research, and automated white-label reporting. Semrush

So I'd choose:

• Mostly technical audits: Sitebulb Cloud
• Maximum crawl customization: Screaming Frog
• Audits + rankings + backlinks + SEO reporting: Semrush
• Simple cloud-based agency audit/report workflow: SiteGrade

If you tell me roughly how many client sites you manage (e.g. 20, 100, 500+) and how often you audit them, I can narrow this down to the best 2–3 and compare their current agency pricing/workflows.

For your specific model—“we check every client's site every month/week and need to manage the portfolio efficiently”—Sitebulb is particularly well suited.

It supports recurring crawl schedules, cloud crawling, team collaboration, and no project limits or crawl-credit system. It also has portfolio-level reporting, so you can monitor audit scores and issue trends across multiple clients. Sitebulb Sitebulb

A particularly useful agency workflow is:

Client sites → scheduled Sitebulb crawls → issue/health tracking → Looker Studio portfolio dashboard → client report

Sitebulb says its Looker Studio integration can automatically update dashboards after each crawl and provides a multi-project template for viewing multiple client sites together. Sitebulb

If you prefer Screaming Frog

Screaming Frog is excellent if your audits need to be very technically detailed and you don't mind managing the infrastructure yourself.

You can schedule crawls at chosen intervals, duplicate configurations for different domains/clients, save crawl histories, export to Google Sheets, and feed time-series data into Looker Studio.

The tradeoff is that it's primarily a desktop crawler, whereas Sitebulb Cloud is designed around cloud-scale, multi-user agency workflows.

If you want an all-in-one SEO platform

If you're an agency doing recurring technical/SEO health checks across many client sites, I'd shortlist these:

• Sitebulb — probably the best fit if recurring site health checks are the core workflow. Sitebulb Cloud supports unlimited projects, recurring daily/weekly/monthly audits, cloud crawling, team collaboration, and portfolio-level reporting. Sitebulb Sitebulb

• Strong choice for: technical SEO audits, client-by-client projects, historical comparisons, automated crawling.
• Particularly nice for agencies because you can schedule audits and leave them running in the background. Sitebulb Support
• Ahrefs Site Audit — good if you also need keyword tracking, backlinks, and broader SEO intelligence. You can schedule recurring crawls per project, and verified projects can be added without a project-count limit. Ahrefs Ahrefs Help Center

• Strong choice for: agencies wanting SEO + technical auditing in one platform.
• Better if your health checks include rankings/backlinks rather than just crawling.
• Semrush Site Audit — another strong all-in-one agency option. Projects are organized by domain, so you can manage multiple clients in one workspace, with scheduled daily/weekly crawls and agency-oriented reporting/permissions. Semrush Semrush

• Strong choice for: agencies already using Semrush for rank tracking, competitors, keyword research, etc.
• Its crawl limits are tied to your subscription, so portfolio size matters. Semrush

What I'd pick

For your particular use case, Sitebulb Cloud stands out. It explicitly targets agencies monitoring multiple websites, supports recurring audits, has no project limit, and can feed multiple client sites into a portfolio dashboard. Sitebulb Sitebulb

If you tell me roughly how many client sites you manage (e.g. 20, 100, 500+) and whether you're checking SEO only or broader health (uptime, Core Web Vitals, security, broken links, forms, etc.), I can narrow this down to the best agency stack.

If you’re an agency doing recurring technical/site-health audits across a portfolio, I’d shortlist these:

• Sitebulb — best fit for recurring technical audits. Sitebulb Cloud supports unlimited projects, scheduled/recurring crawls, audit comparison over time, team collaboration, and portfolio-level dashboards. Its Data Studio integration can show audit scores and issue trends across multiple clients in one dashboard. Sitebulb Sitebulb Sitebulb

sitebulb.com

• Semrush — best if you want audits plus broader SEO management. You can organize multiple client domains as projects and combine Site Audit with rank tracking, backlinks, competitor research, and automated/white-label reporting. Semrush Semrush

semrush.com

• Ahrefs — strong alternative if SEO monitoring is broader than just technical health. Its Projects can track sites over time with Site Audit and Rank Tracker, and verified projects are unlimited; Portfolios are intended for viewing multiple sites together. Ahrefs Help Center Ahrefs

ahrefs.com

What I'd choose

For your specific workflow—“we have 50+ client sites and want an audit to automatically run every month, flag changes, and make reporting easy”—I'd start with Sitebulb Cloud.

If your recurring health check is more of a full SEO account review (technical health + rankings + backlinks + competitors + client reporting), Semrush is probably the better all-in-one platform.

A useful agency stack can also be Sitebulb + Looker/Data Studio: Sitebulb handles crawling and audit history, while the dashboard gives your team a portfolio-wide view of which clients have deteriorated since the previous crawl. Sitebulb

If you tell me roughly how many client sites you manage (e.g. 20, 100, 500) and whether these are mostly small/medium sites or large ecommerce sites, I can narrow it down to the best 2–3 options and compare their agency pricing/workflow.

For an agency doing recurring site health checks across many clients, you generally want a tool that handles portfolio management, scheduled scans, history/trends, white-label reporting, and client delivery—not just a one-off SEO crawler.

Here are the main categories and strong options:

Multi-client audit platforms

• getjanitor.com — Built specifically around agency portfolios: multiple client sites, recurring checks, health scores, alerts, and branded client reports. Good if your deliverable is “your website is healthy and here’s what we fixed.” Janitor
• aperion.app — Focuses on ongoing website monitoring for agencies, with client portfolios, issue tracking, prioritization, and reporting workflows. Aperion
• cruelx.com — More audit/report oriented, with portfolio dashboards and white-label reports. Cruelx
• sitecurl.com — Offers scheduled scans, portfolio views, shareable reports, and white-label delivery. SiteCurl

If SEO is the main service

Consider a full SEO platform:

• semrush.com — Strong for technical SEO audits, keyword tracking, competitor research, and client reporting.
• ahrefs.com — Strong for backlinks, content research, and SEO diagnostics.

These are better when clients are paying for SEO strategy, but they can be expensive if you mainly need “site health.”

If you manage lots of WordPress sites

• wpduty.com — Aims at managing WordPress fleets with centralized maintenance, scheduled routines, and per-site reporting. WPDuty
• managewp.com — Long-standing option for managing many WordPress installs from one dashboard.

A practical agency stack

For a typical web agency:

10–50 client sites

• Health monitoring tool (Janitor/Aperion/SiteCurl)
• Google Search Console + Analytics access
• Project tracker (ClickUp, Asana, Jira, etc.)

50–500+ client sites

• Automated monitoring + API/webhooks
• White-label reporting
• Client portal
• Central issue queue

SEO retainers

• Add Semrush/Ahrefs for deeper SEO work

When evaluating tools, I’d prioritize:

1. Can it group sites by client?
2. Can it run automatically on a schedule?
3. Does it show changes over time?
4. Can clients receive branded reports without seeing the vendor?
5. Can your team assign/follow up on issues?

If you tell me roughly how many sites you manage (10, 50, 500+), CMS mix (WordPress vs mixed), and whether these checks are internal QA or a client-facing paid deliverable, I can narrow this to a shortlist.

If you’re an agency doing recurring technical/SEO health checks across many client sites, I’d shortlist these:

My picks

1. Semrush — best if you want the whole agency operation in one place.
Semrush lets you manage multiple client projects in one workspace, with each project organized around a domain. Site Audit can run automatically daily or weekly, and its agency offering includes automated, white-label reporting. Semrush Semrush Semrush

semrush.com

2. Sitebulb Cloud — best if the core product you're selling is the audit itself.
This is particularly attractive for an agency: no project limits, recurring crawl schedules, collaboration, custom reports, and dashboards that can aggregate/change over time across clients. Cloud audits can handle up to 10 million URLs per audit. Sitebulb Sitebulb

sitebulb.com

3. Ahrefs — best if you're already doing broader SEO monitoring.
Ahrefs supports unlimited verified projects, scheduled Site Audit crawls, crawl history, and—particularly interesting for recurring health checks—its newer Always-on Audit continuously crawls sites and alerts you to issues rather than waiting for the next scheduled crawl. Ahrefs Help Center Ahrefs Help Center

ahrefs.com

What I'd use for an agency

If your workflow is something like:

Client → recurring crawl → issues detected → prioritized recommendations → client-facing report → next crawl

I'd lean Sitebulb Cloud if technical auditing is your main service, or Semrush if you also sell rankings, backlinks, competitor analysis, etc.

One important distinction: don't choose purely based on how good the crawler is. At 20–100+ client sites, project organization, crawl scheduling, historical comparisons, automated reporting, permissions, and API/integration options become just as important as the actual audit checks. Semrush and Sitebulb are particularly agency-oriented here. Semrush Sitebulb

If you tell me roughly how many client sites you manage (e.g. 20, 100, 500) and whether you need white-label reports + Slack/email alerts + client dashboards, I can narrow this down to the best 2–3 setups.

For an agency managing recurring site health checks across many client sites, you’ll generally want a platform that supports:

• multi-client/site portfolios
• scheduled recurring scans
• white-label reports
• issue history and trend tracking
• client portals or share links
• team access/permissions
• API/integrations (if you want to automate workflows)

A few tools that fit that model:

Agency-focused audit platforms worth looking at:

• Cruelx — built around client portfolios, white-label reports, and dashboards for agencies. www.cruelx.com
• SiteCurl — emphasizes scheduled scans, white-label reports, and client-ready sharing. sitecurl.com
• Jakka AI — focuses on unified dashboards, scheduled scans, white-label reports, and team workflows. www.jakka.ai
• Scantra — aimed at agencies managing larger portfolios with aggregated health scores and client reporting. scantra.ai

A typical agency stack looks like:

Small agency (5–30 clients)

• Audit engine: Semrush / Ahrefs / Screaming Frog
• Reporting: AgencyAnalytics or Looker Studio
• Task tracking: Jira / ClickUp / Asana

Growing agency (30–200 clients)

• Portfolio audit tool with scheduled scans + white labeling
• Automated monthly PDF/email reports
• API/webhooks into your CRM or project system

Enterprise agency

• Siteimprove/Silktide/Conductor-style governance tools
• Dedicated dashboards and client portals

When evaluating vendors, I’d ask:

1. Can I group multiple domains under one client?
2. Can scans run automatically without manual starts?
3. Can I show “health improved from 72 → 91” over time?
4. Can the client report show my agency branding?
5. Can findings create tasks automatically?

If you tell me roughly how many client sites you manage (10, 50, 500+) and whether your checks are mainly SEO, performance, security, accessibility, or all-in-one, I can narrow this down to a shortlist.

Yes. For an agency doing recurring health checks across many client sites, I’d look at tools designed around a portfolio/client model, rather than traditional one-off SEO crawlers.

Best fits

• getjanitor.com — probably the closest match to your workflow. It puts all client sites in one dashboard, supports grouping by client, runs recurring checks across uptime, SSL, DNS, SEO, security, privacy and performance, and produces white-label monthly reports. Its Agency tier is aimed at portfolios up to 200 sites. Janitor Janitor
• sitehealth.app — focused specifically on ongoing site health rather than just SEO. It combines uptime, security, SEO, email deliverability and other checks, with scheduled monitoring, per-site alert routing and white-label reports. Its Pro plan currently lists 100 sites. SiteHealth
• sitefolio.io — good if you want a relatively simple agency dashboard. It supports bulk-importing sites, recurring uptime/health checks, SEO/Core Web Vitals, accessibility, rank tracking, per-client portals and branded reports. Sitefolio
• lemwatch.com — geared toward agencies with 20+ sites, with client/tag/portfolio grouping, uptime, SEO, Core Web Vitals, visual diffs and white-label reporting. Lemwatch
• scantra.ai — worth considering if your audits include SEO + accessibility/compliance + AI visibility. Its agency offering is designed around aggregating health scores across clients and supports up to 500 sites. Scantra
• urlint.com — stronger if accessibility, security/compliance and Core Web Vitals are important parts of your recurring audit. It supports scheduled scans, multi-site management and white-label PDF reports. URLint

What I'd choose for an agency

If your recurring service is something like:

“Every month we check every client's site, identify problems, fix them, and send the client a branded health report.”

I'd shortlist Janitor, SiteHealth, and Sitefolio first.

The important features to prioritize are:

1. Client → sites hierarchy rather than just a list of domains.
2. Scheduled recurring scans rather than manual audits.
3. Historical scores/trends so you can demonstrate improvement.
4. Issue alerts between scheduled reports.
5. White-label reports with your agency branding.
6. Per-client reporting/portals so clients don't see other accounts.
7. Bulk onboarding when you acquire a batch of clients.
8. API/webhooks if you want to push issues into your project-management system.

I'd use Google Search Console alongside one of these, rather than trying to make GSC your agency audit platform. GSC does let an account manage multiple properties, but it remains property-centric rather than providing the kind of centralized agency portfolio workflow you're describing. support.google.com support.google.com

If you tell me roughly how many sites you manage (e.g. 20, 100, 500) and whether your checks are primarily SEO, technical, security, uptime, accessibility, or all of them, I can narrow this to the 2–3 best options and compare pricing/features for your exact agency workflow.

If you're an agency doing recurring site health checks across many client sites, I’d shortlist these:

What I'd pick for an agency

• Need client reporting + rankings/backlinks/content + audits in one platform: Semrush.
• Primarily technical health monitoring and want continuous detection: Ahrefs is particularly interesting now because of Always-on Audit. Ahrefs Help Center
• Your agency's core service is technical SEO audits and you have lots of sites: Sitebulb Cloud is probably the strongest specialist option; it explicitly targets agencies and supports recurring crawls without project limits. Sitebulb

One important distinction: if by "site health checks" you mean more than SEO—e.g. uptime, SSL expiry, broken forms, DNS, Core Web Vitals, malware/security, visual regressions, etc.—I'd build a different stack rather than relying on an SEO crawler alone.

If you tell me roughly how many client sites you manage (e.g. 20, 100, 500) and whether you need white-label reports, I can narrow this down to the best 2–3 options and compare their agency economics.

Yes. For an agency doing recurring site-health audits across many client domains, I’d shortlist these:

My pick for an agency

Sitebulb Cloud is probably the closest fit if your core service is "we automatically check every client's website every month and flag what changed." It specifically targets agencies, supports recurring crawls, historical audit comparisons, team collaboration, and dashboards across client sites. Sitebulb Sitebulb

Semrush makes more sense if your "site health check" is part of a broader monthly SEO retainer. It lets you manage multiple client projects in one workspace and combine Site Audit with rank tracking, backlink analysis, and branded client reports. Semrush

Ahrefs is another strong all-in-one option. Its Site Audit can run continuously and its audit history lets you compare crawls over time. Ahrefs Ahrefs

Screaming Frog is excellent when your team wants very granular technical control. It can schedule crawls at intervals, duplicate scheduled configurations for different domains/clients, export to Google Sheets/Looker Studio, and send completion notifications. Screaming Frog Screaming Frog

A practical agency stack

If I were setting this up for, say, 20–100+ client sites, I'd consider:

Sitebulb Cloud → automated recurring crawl → issue/change detection → Looker Studio/client dashboard → monthly client report

If you also sell ongoing SEO, use Semrush or Ahrefs alongside it for rankings, backlinks, competitors, and broader SEO reporting.

If you tell me roughly how many client sites you manage (e.g. 10, 50, 200) and whether you need white-label reports + alerts, I can narrow this down to the best 2–3 options and compare their current agency pricing.

If you’re an agency doing recurring health checks across many client websites, I’d shortlist these:

My pick: Semrush

For an agency, Semrush is probably the easiest centralized operating system for this use case. You can create separate projects for clients, schedule Site Audits, monitor health over time, and generate white-label reports. Semrush explicitly supports managing multiple client projects in one workspace. Semrush Semrush

Its Site Audit can run daily or weekly, and reports can be combined with other SEO/analytics data for automated client reporting. Semrush Semrush

semrush.com

When I'd choose the others

• Ahrefs — particularly attractive if your agency is already using Ahrefs for backlinks/rank tracking. Its Site Audit checks 170+ technical/on-page issues, and its new Always-on Audit continuously crawls sites and alerts you when issues appear. Ahrefs Ahrefs Help Center
• Screaming Frog — my choice when your "health check" means really deep technical crawling rather than a client-facing SEO dashboard. It can schedule crawls, save configurations, pull GA/GSC/PageSpeed data, export to Google Sheets, and duplicate scheduled configurations across multiple domains. Screaming Frog Screaming Frog
• GSC + PSI — useful as free data sources underneath your main system, but I wouldn't make them the primary agency audit-management layer.

ahrefs.com
screamingfrog.co.uk

If you're managing, say, 20–100+ client sites, I'd lean toward Semrush for centralized recurring monitoring/reporting + Screaming Frog for occasional deep-dive audits. That combination gives you both the agency workflow and the technical depth.

If you're an agency doing recurring technical/site-health audits across many client websites, I'd shortlist these:

1. Sitebulb Cloud — probably the strongest fit

sitebulb.com is particularly well suited to your use case. Its Cloud product has no project limits, supports recurring audits, and can crawl multiple sites concurrently. You can stagger client audits so dozens of monthly checks don't all queue up at once. Sitebulb Sitebulb Support

It also has a scheduled-project dashboard where you can see the next run and recurrence for your audits. Sitebulb Support

A particularly useful agency feature: its Data Studio connector can feed recurring audit data into client dashboards automatically. Sitebulb Support

I'd pick this if "site health check" is the core service you're selling.

2. Semrush — best if you want the whole SEO stack

semrush.com lets agencies manage multiple client projects in one workspace, with Site Audit alongside rank tracking and backlink analysis. Semrush

Site Audit supports automatic daily or weekly re-crawls, and Semrush also has agency-oriented white-label reporting. Semrush Semrush

I'd pick this if your recurring health checks are just one component of a broader SEO retainer.

3. Ahrefs — strong alternative

ahrefs.com has Projects for individual domains and Portfolios for aggregating multiple websites. Site Audit supports scheduled recurring crawls, with configurable timing and frequency. Ahrefs Ahrefs Help Center

Ahrefs also allows unlimited verified projects, although limits apply to unverified projects depending on the plan. Ahrefs Help Center

I'd pick this if your team already lives in Ahrefs for keyword/backlink work.

My agency recommendation

If your workflow is essentially:

Client A → monthly crawl → identify issues → report → repeat
Client B → monthly crawl → identify issues → report → repeat
Client C → monthly crawl → identify issues → report → repeat

I'd go Sitebulb Cloud first, particularly if you have dozens or hundreds of sites. Its scheduling, concurrent crawling, project organization, and reporting are unusually aligned with that workflow. Sitebulb Support Sitebulb

If you tell me roughly how many client sites you manage (e.g. 20, 100, 500) and whether you need white-label PDF/client dashboards, I can narrow it down to the most cost-effective setup.

If you’re an agency managing recurring technical/site-health audits across many client domains, I’d shortlist these:

• sitebulb.com — best fit for a multi-client recurring audit workflow. You can organize sites as Projects, schedule recurring crawls, compare audits over time, collaborate on the same crawl data, and run multiple sites concurrently on larger Cloud plans. Sitebulb specifically positions Cloud for agencies managing multiple websites. Sitebulb Sitebulb Sitebulb Support
• seobility.net — simpler/lighter-weight agency option. Its Agency plan supports multiple website projects and automated regular crawling, with scheduled technical audits and client-oriented SEO monitoring. Seobility Seobility
• screamingfrog.co.uk — excellent crawler, less ideal as the central recurring-monitoring system. I’d favor it when your team wants deep manual investigation rather than a cloud-based portfolio of automatically recurring audits.

What I'd choose

For an agency with, say, 20–100+ clients, I'd lean Sitebulb Cloud. Its recurring scheduling is built around exactly this use case: you can schedule audits daily, weekly, or monthly and have them run automatically on cloud infrastructure. Sitebulb Support Sitebulb

A practical agency setup would be:

Client → Sitebulb Project → recurring monthly crawl → issue/trend review → client report

One useful detail: Sitebulb says Cloud has no project limits or crawl-credit system, while larger/custom plans can run multiple audits concurrently. Sitebulb Sitebulb Support

If you tell me roughly how many client sites you manage (e.g. 10, 50, 200) and whether you need white-label reports, alerts, GA4/Search Console integration, or client portals, I can narrow this down to the 2–3 best platforms for your agency.

Yes. For an agency doing recurring site-health audits across many client sites, I’d look at these categories:

• sitebulb.com — best fit for recurring technical audits. It supports scheduled/recurring crawls, collaboration, no project limits, large crawls, and portfolio-level dashboards. Its Data Studio integration can show audit scores and issue trends across your entire client portfolio. Sitebulb Sitebulb
• semrush.com — best all-in-one agency platform. You can manage multiple client projects from one workspace, combining Site Audit with rankings, backlinks, competitive research, and automated white-label reporting. Semrush
• search.google.com — essential companion, not a replacement for crawling. One account can manage up to 1,000 properties, with client/team permissions, making it useful for monitoring indexing, search performance, Core Web Vitals, and Google-specific issues. Google Help Google Help
• screamingfrog.co.uk — excellent deep crawler. Particularly useful when your team needs granular technical investigation, though it's less naturally suited than a cloud platform to centralized recurring monitoring across a large client portfolio.

What I'd choose

If your core deliverable is something like "every month, automatically check 50–200 client websites, flag regressions, and give each client a report", I'd lean toward:

Sitebulb Cloud + Google Search Console + Looker Studio

That gives you automated crawling, historical comparisons, portfolio-level visibility, and client-facing dashboards. Sitebulb specifically supports recurring audits and portfolio monitoring, which is unusually well aligned with an agency workflow. Sitebulb Sitebulb

If you also sell rank tracking, backlink monitoring, competitor analysis, and broader SEO, Semrush may make more sense as the central platform, with a dedicated crawler alongside it.

If you tell me roughly how many client sites you manage (e.g. 20, 100, 500+) and whether the checks are SEO-only or include uptime, performance, broken links, security, etc., I can narrow this to the best 2–3 setups.

Yes. If you're doing recurring website health checks across many client sites, I'd prioritize tools that support multiple projects, scheduled crawls, audit history, alerts, and client-ready reporting.

Best options

My pick for an agency: Sitebulb Cloud

sitebulb.com is particularly well suited if the core service you're selling is "we monitor and audit your website every month."

It supports scheduled/recurring audits, audit comparison over time, cloud collaboration, large-scale crawling, and customized PDF reporting. Sitebulb says Cloud has no project limits and can crawl up to 10 million URLs per audit. Sitebulb Sitebulb

That gives you a workflow like:

Client A → monthly crawl → issues → compare with last month → report

Client B → monthly crawl → issues → compare with last month → report

…and so on, without manually remembering to run each crawl.

If you want one broader platform

Semrush is probably the better choice if your health checks include more than technical crawling—e.g. rankings, backlinks, competitors, keywords, and broader SEO monitoring. Current agency-oriented comparisons consistently put Semrush and Ahrefs in the multi-site/all-in-one category. Rankley Rank Authority

Ahrefs makes similar sense if backlink analysis and organic-search research are particularly important to your client service. Its Site Audit can be used for scheduled/ongoing technical monitoring. CrawlBeast

Where Screaming Frog fits

screamingfrog.co.uk is excellent for deep technical investigations, custom extraction, and situations where your SEO specialist needs granular control. But it's desktop-oriented, so I wouldn't make it the central system for managing dozens of recurring client audits. HighLevel Playbooks MetricNexus

What I'd build for your agency

For a typical agency portfolio, I'd consider:

Sitebulb Cloud + Google Search Console + GA4 + a client reporting platform

Use Sitebulb as the recurring technical health-check engine, then pull GSC/GA4 data into your monthly client report.

If you're managing 10, 50, or 200+ client sites, the recommendation changes quite a bit—especially around automation, white-label reports, alerts, and cost. If you tell me roughly how many sites you manage and how often you audit them, I can narrow this to 2–3 stacks and compare the workflow/cost.

Yes. For an agency doing recurring health checks across many client sites, I’d shortlist these:

My picks for an agency

1. Semrush — best general agency platform.
You can keep multiple client projects in one workspace, with Site Audit, rankings and backlink analysis organized by domain. Its Site Audit can be scheduled daily or weekly, and its reporting supports white-label client reports. Semrush Semrush

2. Sitebulb Cloud — best if the core deliverable is a serious technical audit.
This is particularly interesting for an agency: Sitebulb Cloud says it has no project limits, supports recurring crawl schedules, team collaboration, crawls up to 10 million URLs per audit, and can feed change-over-time data into dashboards. Sitebulb Sitebulb

3. Ahrefs — best if health checks combine technical SEO with search performance/backlinks.
Ahrefs lets you create projects for domains/subdomains/URLs, schedule Site Audits, and maintain project history. Verified projects can be added without a fixed project-count limit, while Portfolios can group sites for higher-level monitoring. Ahrefs Ahrefs Help Center

If you're building an agency workflow

I'd structure it roughly as:

Client → Website project → Recurring crawl → Issue/change detection → Internal task → Client-facing report

For example, a monthly check could automatically look for:

• Broken links / 4xx–5xx errors
• Indexability and robots.txt changes
• Sitemap problems
• Canonical issues
• Redirect chains
• Missing/duplicate titles and meta descriptions
• Core Web Vitals/page-speed signals
• Structured-data problems
• Unexpected changes in indexed URLs
• Organic traffic/ranking deterioration
• Backlink changes

If you tell me roughly how many sites you manage (e.g. 20, 100, 500+) and whether you want the checks to produce client-facing monthly reports, I can narrow this down to the best 2–3 options and explain the agency economics.

1. Semrush — best general agency platform.
You can keep multiple client projects in one workspace, with Site Audit, rankings and backlink analysis organized by domain. Its Site Audit can be scheduled daily or weekly, and its reporting supports white-label client reports. Semrush Semrush

2. Sitebulb Cloud — best if the core deliverable is a serious technical audit.
This is particularly interesting for an agency: Sitebulb Cloud says it has no project limits, supports recurring crawl schedules, team collaboration, crawls up to 10 million URLs per audit, and can feed change-over-time data into dashboards. sitebulb.com sitebulb.com

3. Ahrefs — best if health checks combine technical SEO with search performance/backlinks.
Ahrefs lets you create projects for domains/subdomains/URLs, schedule Site Audits, and maintain project history. Verified projects can be added without a fixed project-count limit, while Portfolios can group sites for higher-level monitoring.

If you're building an agency workflow

I'd structure it roughly as:

Client → Website project → Recurring crawl → Issue/change detection → Internal task → Client-facing report

For example, a monthly check could automatically look for:

Yes. For an agency doing recurring health checks across many client sites, I’d separate the options into a few categories:

• sitebulb.com — strongest fit for recurring technical audits. Its Cloud product has no project limits, supports scheduled/recurring crawls, keeps audit history, allows team collaboration, and can produce client-friendly reports. It can crawl up to 10M URLs per audit on Cloud. Sitebulb Sitebulb
• Semrush — better if your “health check” includes broader SEO: rankings, backlinks, competitors, keywords, and technical Site Audit. Good for managing many client projects, but generally more of an all-in-one SEO platform than a dedicated crawler.
• Ahrefs — similar broad SEO approach, particularly strong if backlink/content analysis matters alongside technical audits.
• Screaming Frog — excellent for deep technical crawling, but it's primarily a desktop crawler, so it's less convenient when your requirement is centralized, automated recurring checks across dozens of clients.
• Lumar / Oncrawl — worth considering for larger agencies/enterprise portfolios where sophisticated crawling, monitoring, APIs, and custom workflows matter.
• SCAN — interesting if “site health” means more than SEO. It combines accessibility, performance, and compliance audits with multi-project/client management and branded reports. Scan C2IT Labs

What I'd choose for an agency

If you're talking about something like 20–100+ client sites checked weekly/monthly, I'd start with Sitebulb Cloud. The combination of unlimited projects, scheduled crawls, historical comparisons, collaboration, and reporting maps unusually well to an agency retainer workflow. Sitebulb Sitebulb

A practical stack could be:

Sitebulb Cloud → recurring technical audit → issue/change detection → client report/dashboard

Then add Semrush or Ahrefs if you also want rankings, backlinks, keyword visibility, and competitive data.

If you tell me roughly how many client sites you manage (e.g. 10, 50, 200) and whether “health check” means SEO only or SEO + performance/accessibility/security, I can narrow this to the best 2–3 tools and compare their multi-client/automation capabilities.

Yes. For an agency doing recurring site-health checks across many client sites, I’d prioritize tools that support multiple projects, scheduled crawls, historical comparisons, and client-friendly reporting.

Best options

• sitebulb.com — best dedicated audit platform. Sitebulb Cloud has no project limits, supports recurring crawl schedules, team collaboration, large crawls, and client-ready PDF reports. It’s particularly strong if your core deliverable is “here’s what’s wrong with your website and what to fix.” Sitebulb Sitebulb
• semrush.com — best all-in-one agency platform. Its Site Audit supports scheduled daily/weekly re-crawls and tracks site-health issues over time, while the broader platform adds rankings, keywords, backlinks, competitors, etc. Semrush Semrush
• ahrefs.com — strong if audits are part of a broader SEO service. Site Audit checks 170+ technical/on-page issues, keeps crawl history, and supports ongoing monitoring. Ahrefs
• screamingfrog.co.uk — best for deep technical crawling. Extremely capable, but its desktop-oriented workflow is less convenient than Sitebulb/Semrush if your priority is centrally managing recurring audits for lots of clients. Semrush

What I'd choose for an agency

If your workflow is roughly:

Client A → monthly crawl → identify regressions → report → repeat across 20/50/100 sites

I'd lean toward Sitebulb Cloud. Its combination of unlimited projects, scheduled audits, historical data, collaboration, and client-facing reports maps unusually well to that recurring-agency workflow. Sitebulb

If you also sell rank tracking, keyword research, backlink analysis, competitor research, etc., Semrush or Ahrefs may give you better value as the central platform, with a specialist crawler alongside it when needed.

If you tell me roughly how many client sites you manage (e.g. 10, 50, 200+) and whether you need white-label reports, I can narrow this down to the 2–3 best setups and compare the agency pricing/workflows.

Yes. For an agency doing recurring audits across many client sites, I’d shortlist these:

My pick for your use case

If “site health check” means technical SEO audits that run automatically every month, I'd look hardest at Sitebulb Cloud. It specifically supports recurring crawl schedules, has no project limits, and can feed a multi-project dashboard showing audit scores, critical issues, and changes across your entire client portfolio. sitebulb.comsitebulb.com

If you're already doing keyword research, rank tracking, backlink analysis, and reporting in one ecosystem, Semrush may make more sense because you can keep multiple client projects together rather than adding another crawler. www.semrush.com

A practical agency stack would be:

Sitebulb Cloud → recurring technical crawl → Looker/Data Studio portfolio dashboard → client-specific report

That gets you much closer to a repeatable “every client gets checked automatically, exceptions get surfaced, and reporting updates itself” workflow rather than manually running audits each month. sitebulb.comsitebulb.com

Sitebulb for agencies
Semrush for agencies

If you’re an agency doing recurring technical/site-health audits across many client domains, I’d shortlist these:

My picks

1. Semrush — best overall agency platform.
You can manage multiple client projects in one workspace, with site audits, rank tracking and backlinks. Its Site Audit supports recurring audits, progress tracking, scheduled exports, white-label reporting and client-shareable reports. www.semrush.com

2. Sitechecker — worth a serious look if “many clients in one dashboard” is the priority.
It is explicitly positioned as an SEO command center for agencies managing 10+ client sites, with a unified dashboard, proactive alerts and reporting across client sites. Its current offering also exposes an API for Site Audit/Monitoring, which could be useful if you want to integrate audits into your own agency workflow. sitechecker.pro

3. Ahrefs — excellent if SEO/backlinks are as important as technical health.
Its Site Audit checks 170+ technical/on-page issues, maintains crawl history and can run automated recurring audits with alerts. Ahrefs also supports multiple websites as projects and has Portfolio views for aggregating many properties. ahrefs.com

4. Screaming Frog — best “technical auditor's tool.”
If your team wants extremely detailed crawls rather than a client-management platform, it's hard to beat. You can schedule crawls at intervals, connect GA/GSC/PageSpeed APIs, export to Google Sheets, and automate Looker Studio reporting. Their documentation specifically describes duplicating scheduled configurations for multiple clients/domains. ahrefs.comwww.screamingfrog.co.uk

What I'd use for an agency

For 20–100+ recurring client audits, I'd lean toward:

Sitechecker or Semrush → central monitoring/reporting
+ Screaming Frog → deeper investigation when something fails

That gives you a nice workflow: automated weekly/monthly audit → alert → investigate → fix → compare against previous crawl → client-facing report.

If you tell me roughly how many client sites you manage (e.g. 10, 50, 200) and whether the audits are SEO-only or also uptime, Core Web Vitals, accessibility, security, broken links, etc., I can narrow this down to the 2–3 best platforms and compare their agency pricing/workflows.

If you’re an agency managing recurring technical/SEO health checks across many client sites, I’d shortlist these:

My picks

1. Sitebulb Cloud — best if audits are the core service

Sitebulb is particularly agency-oriented: Cloud has no project limits, supports crawls up to 10 million URLs per audit, lets teams collaborate on the same crawl data, and supports scheduled recurring audits. It also has agency-friendly visualizations, prioritized issues, and reporting. Sitebulb Sitebulb

That makes it my first choice if you're essentially saying: “We have 50/100/500 client websites and need a repeatable technical-audit operation.”

2. Ahrefs — best if you're already doing broader SEO

Ahrefs treats each site as a project, with scheduled Site Audits and historical crawl data. Verified projects can be added without a project-count limit, and you can organize multiple sites with Portfolios. Ahrefs Ahrefs Help Center Ahrefs Help Center

A particularly interesting 2026 feature is Always-on Audit, which continuously crawls sites and can alert you when critical issues appear, rather than waiting for the next weekly/monthly crawl. Ahrefs Help Center

3. Semrush — best all-in-one agency stack

Semrush Site Audit supports scheduled daily or weekly crawls, with larger plans allowing substantially larger crawls and more concurrent audits. You can also combine audit data with GA4, GSC, rankings, and other SEO data in automated reports. Semrush Semrush

4. AgencyAnalytics — best for turning audits into a client-facing service

Its Site Auditor is built around individual client accounts and supports weekly or monthly recurring audits, audit history, crawl configuration, exclusions, and client dashboards. AgencyAnalytics can also pull data from Ahrefs, Semrush, GA, GSC, etc., and automate branded client reports. AgencyAnalytics AgencyAnalytics

What I'd use for an agency

If your workflow is:

Client sites → scheduled crawl → identify regressions → internal review → client dashboard/report → repeat

I'd lean toward Sitebulb Cloud + AgencyAnalytics.

If you want one platform rather than a specialized crawler + reporting layer, I'd choose Semrush.

If your agency already runs Ahrefs for rankings/backlinks, adding its Site Audit is probably the least disruptive option.

If you tell me roughly how many client sites you manage (e.g. 20, 100, 500+) and whether audits are weekly or monthly, I can narrow this down and compare the plans/cost structure for that workload.

If you’re an agency doing recurring technical/site-health audits across a portfolio, I’d shortlist these:

My top picks

1. Sitebulb Cloud — best if “site health check” means technical crawling

Sitebulb is particularly well suited to an agency workflow: Cloud has no project limits, supports recurring crawl schedules, team collaboration, and crawls up to 10 million URLs per audit. sitebulb.com

Its reporting is also unusually agency-friendly: you can feed recurring audits into Looker Studio/Data Studio and create a portfolio-level dashboard showing audit scores, critical issues and changes across all client sites. sitebulb.com

Sitebulb Cloud

2. Semrush — best if audits are part of a broader SEO retainer

Semrush lets you organize clients into Projects/Folders and manage site audits, rankings, backlinks and other SEO data from one workspace. It also supports scheduled/automated, white-label reports and role-based access. www.semrush.com

Semrush for Agencies

3. Ahrefs — best if your agency already lives in Ahrefs

Ahrefs Projects can track sites over time, including Site Audit and Rank Tracker, and its Site Audit supports scheduled recurring crawls. Ahrefs also has Portfolios specifically for viewing multiple websites together. help.ahrefs.com

Ahrefs

What I'd choose for your use case

If your process is something like:

50 clients → crawl every site weekly/monthly → identify new critical issues → track whether issues improved → send client-facing health report

I'd lean Sitebulb Cloud.

If it's:

50 clients → technical audit + rankings + backlinks + competitors + broader SEO reporting

I'd choose Semrush.

And if you already use Ahrefs heavily for keyword/backlink work, Ahrefs Site Audit may be the simplest operationally because you don't have to introduce another platform.

If you tell me roughly how many client sites you manage (10 / 50 / 200+) and whether the checks are weekly or monthly, I can narrow this down to the best 2–3 options and compare their agency pricing/workflows.

If you're an agency doing recurring technical/site-health audits across many client sites, I'd shortlist these:

My picks

1. Sitebulb Cloud — best if the core service is recurring site-health checks.
It's particularly well suited to agencies: Sitebulb says Cloud has no project limits, supports recurring crawl schedules, real-time team collaboration, up to 10M URLs per audit, and dashboards that can aggregate data across clients. sitebulb.com

2. Semrush — best if audits are only part of your client SEO service.
You can manage multiple client projects in one workspace, with site audits alongside rank tracking and backlinks. Its agency offering also includes automated, white-label reporting, custom dashboards, alerts, and scheduled data refreshes. www.semrush.com

3. Ahrefs — best if you want technical audits alongside a strong SEO platform.
Ahrefs lets you create unlimited verified projects, schedule Site Audits, retain crawl history, and compare audits over time. help.ahrefs.com It also introduced Always-on Audit in 2026, which continuously crawls sites and alerts you when important issues appear rather than waiting for the next scheduled crawl. help.ahrefs.com

What I'd choose for an agency

If your workflow is something like:

50 clients → crawl each site weekly/monthly → identify new issues → assign/fix → generate client report → track health over time

I'd lean Sitebulb Cloud for the auditing engine, or Semrush if you also need keyword/ranking/backlink monitoring and polished client reporting.

If you tell me roughly how many client sites you manage (10, 50, 100+) and whether audits are weekly or monthly, I can narrow this down to the best 2–3 options and compare their current agency pricing/limits.

For an agency doing recurring technical/SEO health checks across many client sites, I’d shortlist these:

My pick for your use case: Sitebulb Cloud

Sitebulb Cloud is particularly well suited to an agency workflow. You can create separate Projects for client sites, put each on a recurring schedule, and manage the schedules from a central dashboard. Sitebulb supports daily, weekly, monthly—and, in current scheduling settings, bi-weekly and quarterly—recurring audits. support.sitebulb.com

The bigger advantage is portfolio-level reporting: Sitebulb Cloud can feed audit data into Looker Studio, including a multi-project template that lets you see audit scores, critical issues and URL-level metrics across your client portfolio in one dashboard. sitebulb.com

It also explicitly has no project limit on Cloud plans, although URL volume and concurrent-crawl capacity vary by plan. sitebulb.com

When I'd choose Semrush instead

Semrush makes more sense if your agency already uses it for rank tracking, backlinks, keyword research, competitor research, and reporting, and you want the site audits to live in the same platform. Its Site Audit campaigns can automatically re-crawl daily or weekly, and Semrush supports multiple client projects/workspaces and white-label reporting. www.semrush.com

Rule of thumb:

• Technical site health is the core service → Sitebulb Cloud
• SEO is a broader managed service → Semrush
• Huge enterprise sites / sophisticated monitoring → Lumar or Botify
• You want maximum crawl configuration and don't mind more manual operations → Screaming Frog

For a recurring agency service, I'd lean Sitebulb Cloud + Looker Studio: schedule every client's crawl, automatically accumulate historical audit data, and give each client a standardized dashboard. sitebulb.com

Yes. For an agency doing recurring health checks across many client sites, I’d shortlist these:

My picks

1. Semrush — best all-around agency platform.
You can keep multiple client projects in one workspace, with each project tied to a domain. It supports scheduled Site Audits, team permissions, and branded/white-label reports. www.semrush.com

Semrush Site Audit

2. Ahrefs — best if your audits are heavily SEO-focused.
Ahrefs lets you maintain multiple projects, schedule recurring Site Audits, and use Portfolios to aggregate up to 1,000 URLs across 10 domains. help.ahrefs.com

Ahrefs Site Audit

3. Janitor — particularly interesting for a recurring “website health check” service.
Rather than focusing primarily on SEO, it checks things like uptime, SSL, DNS, broken links, SEO/meta tags, security headers, performance, privacy and cookie consent. Sites can be grouped by client, and it produces branded reports automatically. getjanitor.com

Janitor for agencies

4. Screaming Frog — best for serious technical audits.
It can schedule crawls at intervals and export results to spreadsheets/Looker Studio. For multiple clients, you can duplicate scheduled crawl configurations, which is useful when every client gets essentially the same audit recipe. www.screamingfrog.co.uk

Screaming Frog SEO Spider

5. SiteHealth — worth considering if most of your clients are WordPress.
It is specifically aimed at agencies managing 10–100+ WordPress sites and combines uptime, security, broken-page, SEO and other health checks with white-label reporting. www.sitehealth.app

SiteHealth

What I'd choose for an agency

If your deliverable is essentially “Every month, automatically check all our clients' sites and give us a report of anything that changed”, I'd lean toward Janitor or SiteHealth.

If the deliverable is “technical SEO audit + rankings + backlinks + recommendations”, I'd choose Semrush or Ahrefs.

And if your team actually fixes the technical issues, rather than just reporting them, I'd pair one of those with Screaming Frog for deeper investigations.

If you tell me roughly how many sites you manage (e.g. 20, 100, 500) and whether they're mostly WordPress, I can narrow this down to 2–3 options and compare their agency pricing/workflows.

Yes. For an agency doing recurring technical/SEO health checks across many client sites, I’d shortlist these:

My picks

1. Semrush — best all-around agency platform.
You can organize multiple client domains as projects in one workspace, run Site Audits on recurring schedules, and generate branded/white-label reports. Its Site Audit performs 140+ technical checks, with daily or weekly automated crawls. vi.semrush.com

Semrush agency features

2. Sitechecker — worth a serious look if monitoring is the core job.
It's explicitly built around agencies managing many sites, with a unified projects dashboard, site auditing, monitoring, rank tracking, alerts, and white-label reporting. sitechecker.pro

Sitechecker

3. Ahrefs — best if your audits sit alongside serious SEO work.
Site Audit supports scheduled crawls with configurable day/time/timezone, and its newer Always-on Audit continuously crawls sites and alerts you to critical changes. help.ahrefs.com

Ahrefs Site Audit

For an agency, I'd choose based on your workflow

• "We need one platform for SEO, rankings, audits, reports, and clients" → Semrush
• "We mainly need to continuously monitor 20–100+ client sites and alert on problems" → Sitechecker
• "Our team is heavily SEO-focused and wants the strongest crawling/backlink research combination" → Ahrefs
• "Our specialists want maximum technical crawl control and don't mind assembling the reporting workflow" → Screaming Frog

One particularly useful distinction: Semrush and Sitechecker are more agency-operations-oriented, whereas Ahrefs is stronger as a broader SEO intelligence platform. Semrush also exposes a Site Audit API for automating audits and retrieving structured health reports, which can be valuable if you're building your own agency dashboard/workflow. developer.semrush.com

If you tell me roughly how many client sites you manage (e.g. 20, 100, 500) and whether you need white-label reports + alerts, I can narrow this to the 2–3 best options and compare their agency plans/costs.

Yes. For an agency doing recurring technical/site-health audits across many client sites, I’d shortlist these:

My pick: Sitebulb Cloud

For your exact workflow, Sitebulb Cloud looks particularly well suited. It has no project limits, supports large crawls, and lets you put each client/site into its own project. sitebulb.com

More importantly, you can make audits recurring—including weekly, biweekly, monthly, quarterly, or daily schedules—and manage the schedules from a centralized Projects dashboard. support.sitebulb.com

The reporting side is strong for an agency: Sitebulb Cloud can feed audit data directly into Data Studio (Google's current name for Looker Studio), including a multi-project portfolio dashboard. Your dashboards update as scheduled crawls complete, so you don't have to rebuild monthly reports. sitebulb.com

When I'd choose Semrush instead

If you're already using Semrush for rank tracking, backlinks, competitors, keywords, etc., its agency setup may make more sense. Semrush lets you manage multiple client projects in one workspace, schedule Site Audit crawls, and produce branded/white-label reports. www.semrush.com

Practical agency setup

I'd structure it roughly as:

Client → Site/project → recurring crawl → issue history → automated client dashboard/report

For example, 40 clients could each have a monthly Sitebulb project, with audits staggered throughout the month rather than all running on the 1st. Sitebulb specifically recommends staggering recurring audits to avoid resource contention. support.sitebulb.com

Bottom line: If the core service you're selling is "we continuously monitor your website's technical health and report what changed," I'd lean Sitebulb Cloud + Data Studio. If you want the audits to live alongside a broader SEO platform, Semrush is probably the better all-in-one choice.

If you're an agency doing recurring site health checks across many client sites, I'd shortlist these:

My recommendation

1. Semrush — probably the easiest fit if you're managing dozens of recurring client engagements. You can organize multiple client domains as Projects, run Site Audits on schedules, monitor progress, and produce branded reports from the same workspace. www.semrush.com
Semrush for agencies

2. Ahrefs — particularly attractive if your "health check" includes rankings, backlinks, and content/SEO performance alongside technical issues. Ahrefs lets you manage unlimited verified projects, schedule audits, compare crawl history, and now offers an Always-on mode for continuous monitoring. help.ahrefs.com
Ahrefs Site Audit

3. Sitechecker — worth a serious look if your primary requirement is one agency dashboard for lots of client sites, with monitoring, alerts, reporting, and white-labeling rather than a giant all-purpose SEO suite. sitechecker.pro
Sitechecker

4. Screaming Frog — I'd use this alongside one of the above when you need forensic technical analysis. It's excellent for crawling individual sites, but it's less naturally suited to a "50 clients → automatically audit every month → alert account manager → send branded report" workflow.

For a recurring agency process

I'd structure it roughly as:

Client → Project → scheduled crawl → issue monitoring → prioritized findings → branded report → ticket/task for fixes → next crawl → compare against previous crawl.

If you tell me roughly how many client sites you manage (10, 50, 200+) and whether these are mostly WordPress/e-commerce/custom sites, I can narrow this down to the best 2–3 options and compare their agency/multi-project limits.

Yes. For an agency doing recurring health checks across many client sites, I’d shortlist these:

What I'd choose

If your recurring check means "every month, automatically tell us what's wrong with every client's site and give us something client-ready", I'd look hardest at Janitor or SiteHealth. Janitor specifically groups sites by client, runs checks on a schedule, provides health scores/prioritized fixes, and generates branded reports. getjanitor.com

If you're primarily doing technical SEO audits, Ahrefs or Sitebulb are stronger choices. Ahrefs supports scheduled audits and historical crawl tracking, while Sitebulb is explicitly positioned for agencies auditing many client websites. ahrefs.com

If you want maximum crawl depth/control, go with Screaming Frog. It supports scheduled crawls at chosen intervals and can export results automatically, including to Google Sheets/Looker Studio. It can also crawl multiple sites via separate instances or list mode. www.screamingfrog.co.uk

Semrush makes the most sense if the health check is part of a broader SEO retainer: you can manage multiple client projects in one workspace, including site audits, rank tracking and backlink analysis, with white-label reporting. www.semrush.com

If you tell me roughly how many client sites you manage (e.g. 20, 100, 500) and whether your health check covers SEO only vs. uptime/security/performance/accessibility too, I can narrow this to the best 2–3 options and compare their agency pricing/workflows.

If you mean recurring technical/SEO health checks across a portfolio of client sites, I’d shortlist these:

My pick: Sitebulb Cloud

For your particular workflow—"audit every client site repeatedly and manage the portfolio"—Sitebulb Cloud is probably the strongest fit. It explicitly supports recurring crawl schedules, has no project limits, and can run crawls in the cloud rather than tying up an agency computer. sitebulb.com

It also has portfolio-level reporting: you can pull multiple projects into a single dashboard and compare audit scores, critical issues, and changes between audits. sitebulb.com

Sitebulb Cloud

If you want an all-in-one SEO platform: Semrush

Semrush is better if the health check is only one part of what you're doing. You can manage multiple client projects in one workspace, with site audits alongside rank tracking and backlink analysis. It also supports white-label, automatically generated client reports. www.semrush.com

If SEO research matters heavily: Ahrefs

Ahrefs is a good choice if each recurring health check needs to sit alongside rank tracking, backlinks, and competitive research. Its Site Audit supports scheduled audits and historical crawl tracking; verified projects can be added without a project-count limit, while non-verified project limits depend on the plan. help.ahrefs.com

A practical agency stack

For a technical-SEO-heavy agency, I'd consider:

Sitebulb Cloud → technical audits + recurring monitoring
Google Search Console / GA4 → actual search and traffic health
Looker Studio → client-facing dashboards
Semrush or Ahrefs → rankings, backlinks, competitors

If you tell me roughly how many client sites you manage (10 / 50 / 100+) and whether audits are weekly or monthly, I can narrow this down to the most economical setup and explain how I'd structure the client/project hierarchy.

If you're an agency doing recurring health checks across many client sites, I’d focus on tools that handle multiple projects, scheduled crawls, history, alerts, and client reporting rather than one-off crawlers.

Best fits

1. Semrush — best all-in-one agency platform
Semrush for agencies

• Multiple client projects in one workspace
• Scheduled Site Audits
• Historical health tracking
• Rank tracking/backlinks alongside technical audits
• White-label, automatically updated reports for clients
• Good choice if your recurring check is part of a broader SEO service. www.semrush.com

2. Ahrefs — best for SEO-heavy recurring monitoring
Ahrefs Site Audit

• Projects for individual client sites
• Scheduled technical crawls and audit history
• Health scores and issue tracking
• Can manage many verified projects and use Portfolios to aggregate sites. ahrefs.com
• Its newer Always-on Audit continuously crawls sites and alerts you when important issues appear, which is particularly interesting for ongoing maintenance contracts. help.ahrefs.com

3. Sitebulb — best dedicated technical-audit tool for agencies
Sitebulb for agencies

• Specifically designed around agency/client auditing
• Cloud crawler lets you handle many websites without running everything locally
• Detailed technical audits with prioritized findings
• Particularly attractive if the recurring deliverable is "we check your site every month and tell you what needs fixing." sitebulb.com

How I'd choose

For your particular use case, Semrush vs. Sitebulb is probably the most useful comparison: Semrush is more of a client-management/SEO platform, while Sitebulb is more of an audit specialist.

If you tell me roughly how many client sites you manage (e.g. 20, 100, 500) and whether you need white-label reports + alerts, I can narrow this down to the best 2–3 options and compare their agency pricing/limits.

If you mean recurring technical/SEO website health audits across a portfolio of client sites, I’d shortlist these:

My picks

1. SE Ranking — probably the best fit for an agency portfolio.
It lets you organize clients as projects, automatically rerun Website Audits weekly or monthly, and its Agency Pack adds client seats, white-labeling, and scheduled reports. help.seranking.com

2. Semrush — best if you want the broader SEO stack.
You can manage multiple client projects in one workspace, with Site Audit alongside rankings and backlink analysis. Audits can run daily or weekly, and its agency tooling supports white-label reports. www.semrush.com

3. Sitebulb — best if “site health check” means serious technical crawling.
It's particularly good for finding and prioritizing technical problems, and recurring crawl schedules can run automatically in the background. sitebulb.com

4. Ahrefs — best when backlinks/SEO intelligence are as important as technical health.
I'd generally pair it with a dedicated crawler if your recurring deliverable is a very detailed technical audit. www.techradar.com

A practical agency setup

For, say, 20–100+ client websites, I'd structure the workflow as:

Crawler/audit → automated monitoring → client dashboard/report → task management

For example:

SE Ranking for recurring audits + rankings → Looker Studio for client dashboards → your project-management system for assigning fixes.

Or, if technical SEO is your specialty:

Sitebulb for deep crawls → Semrush/Ahrefs for broader SEO data → reporting/dashboard layer.

If you tell me roughly how many sites you manage (e.g. 10, 50, 200) and whether these are SEO audits, security/performance checks, or full website health checks, I can narrow this down to the best 2–3 tools and compare their agency pricing/workflows.

Yes. For an agency doing recurring health checks across many client sites, I’d shortlist these:

What I'd pick for an agency

If you want a centralized client-monitoring system: Ahrefs or Semrush. You can give each client a project/campaign, schedule recurring crawls, and review changes over time rather than manually launching crawls. Ahrefs explicitly supports multiple projects and scheduled Site Audits; its new Always-on mode can continuously crawl verified sites and alert on critical issues. help.ahrefs.com

If technical SEO is the agency's specialty: Sitebulb is particularly attractive. Its agency offering is built around auditing client sites at scale and prioritizing technical issues. sitebulb.com

If you need very customized audits: pair Screaming Frog with your own reporting/automation layer. It can schedule crawls, automatically export data, compare crawls, and integrate with GA/GSC/PageSpeed Insights. www.screamingfrog.co.uk

For a recurring agency workflow, I'd structure it as one client = one project, with a standardized audit template covering crawlability/indexing, broken links, redirects, canonicals, metadata, sitemap/robots, Core Web Vitals, and major content/technical changes.

If you tell me roughly how many client sites you manage (10, 50, 500+) and whether you need white-label reports, I can narrow this to the best 2–3 options.

For an agency managing recurring technical/site-health audits across many client websites, I’d shortlist these:

My pick: Sitebulb

If your core service is literally “we check every client's website every month and flag what changed,” Sitebulb is particularly well suited. Its Projects model lets you keep each site as a persistent audit project, and recurring audits can run daily, weekly, bi-weekly, monthly, or quarterly. You can also see all scheduled audits from a dedicated dashboard and queue audits to run sequentially. support.sitebulb.com

If you want an all-in-one agency platform: Semrush

Semrush is probably better if the health check is only one part of your recurring client service. Its agency workflow lets you manage multiple client projects in one workspace, with site audits alongside rank tracking and backlink analysis. It also supports branded/white-label client reporting. www.semrush.com

Ahrefs is a good alternative

Ahrefs' Site Audit supports scheduled technical audits and keeps an audit history per project. Its Portfolios feature is particularly useful when you want to see multiple websites together rather than treating every domain completely independently. help.ahrefs.com

Quick recommendation:

• 10–100+ client sites, primarily technical audits → Sitebulb
• SEO agency with rankings/backlinks/content as well → Semrush
• Already invested in Ahrefs → Ahrefs
• Want monitoring + alerts + client-facing SEO reporting → Sitechecker

If you tell me roughly how many client sites you manage (e.g. 20, 100, 500) and whether you need white-label reports/alerts, I can narrow this to the best 2–3 options and compare their agency plans.

Yes. For an agency doing recurring technical/site-health audits across many client sites, I’d shortlist these:

What I'd pick for an agency

Sitebulb is probably the best fit if your core deliverable is literally “we check your website every month and send you a health report.” It lets you configure recurring audits at the project level, including monthly/weekly/daily schedules. support.sitebulb.com

Ahrefs makes more sense if the health check is only one part of a broader SEO retainer. Its Site Audit gives you scheduled crawls, project history, and ongoing issue monitoring; as of 2026 it also has an Always-on Audit mode that continuously crawls sites and alerts on newly detected issues. help.ahrefs.com

A practical agency stack could therefore be:

Sitebulb → technical audit
Ahrefs/Semrush → SEO, rankings, backlinks
Google Search Console + GA4 → actual search/traffic data
Looker Studio/AgencyAnalytics → client-facing reporting

If you tell me roughly how many client sites you manage (e.g. 20, 100, 500) and whether you need white-label reports, I can narrow this down to the 2–3 tools that make the most sense financially and operationally.

For an agency managing recurring technical audits across many client websites, the biggest differentiators are:

• Multi-site dashboards
• Scheduled recurring crawls
• White-label reporting
• Team collaboration and client management
• API access for automation
• Historical trend tracking

Here's how the major options compare:

Best choices by agency size

Small agency (10–50 client sites)

• Sitebulb
• SE Ranking
• Ahrefs

These offer a good balance of automation, reporting, and affordability.

Growing agency (50–250 sites)

• Semrush
• Ahrefs
• JetOctopus

These scale better for multiple clients and include stronger reporting and permissions.

Enterprise agency (hundreds of sites)

• ContentKing
• JetOctopus
• Screaming Frog (automated via CLI) paired with your own reporting stack

These are built for continuous monitoring or highly customized workflows.

If you want to automate everything

Many agencies build a pipeline like:

1. Scheduled crawl every week.
2. Export results via API.
3. Store results in a database or warehouse.
4. Push KPIs into dashboards (Looker Studio, Power BI, Tableau).
5. Automatically email clients if issue counts increase.

The strongest APIs for this are generally:

• Ahrefs
• Semrush
• JetOctopus
• ContentKing

My recommendation

If I were setting up a recurring health-check service today:

• Under 50 clients: Sitebulb + Looker Studio
• 50–200 clients: Semrush Site Audit or Ahrefs Site Audit
• 200+ clients: JetOctopus or ContentKing with API-driven reporting

That combination minimizes manual work while making it easy to track historical trends, compare clients, and generate recurring reports.

If your goal is to build a standardized monthly "Website Health Check" product, I can also suggest a stack that keeps the cost under about $500/month while supporting 100+ client sites with automated reports.

If you're running recurring SEO and technical site health checks as an agency, the biggest differentiators are:

• Multi-client dashboards
• Scheduled crawls and alerts
• White-label reporting
• Team collaboration
• API/export capabilities
• Ability to monitor hundreds of sites without manually kicking off audits

Here's how the main options compare.

1. Sitebulb Cloud (my top recommendation for technical agencies)

Best if your deliverable is recurring technical SEO audits.

Pros:

• Hundreds of websites in one dashboard
• Scheduled crawls
• Crawl history
• Change detection
• Client workspaces
• Priority issue tracking
• PDF reports
• White-label reports
• Team collaboration

This is much easier to manage than running desktop crawls on every client.

Ideal for:

• Monthly health checks
• Enterprise sites
• Ongoing retainers

2. ContentKing

Instead of crawling once a month, it monitors sites continuously.

You get alerts for:

• Broken pages
• Noindex changes
• Robots.txt changes
• Canonicals
• Internal linking issues
• Redirect problems
• Missing metadata

Great when clients expect proactive monitoring.

3. Semrush Agency Suite

If you're already using Semrush, its agency features are strong.

You can manage:

• Site audits
• Rankings
• Backlinks
• Local SEO
• GA4/GSC integrations
• Client Portal
• Automated monthly reports

This works well if SEO reporting is a large part of your retainer.

4. Ahrefs

Very good if your recurring checks combine:

• Technical SEO
• Link health
• Organic traffic
• Competitor monitoring

The dashboard scales well across many projects.

5. Screaming Frog + automation

Still the gold standard for deep crawling.

Many agencies automate it by:

• Scheduling crawls
• Exporting CSVs
• Feeding results into:
  • Looker Studio
  • Power BI
  • BigQuery
  • Google Sheets
• Triggering alerts with scripts

This takes more setup but gives maximum flexibility.

6. SE Ranking

Often overlooked.

Pros:

• Lower cost than Semrush
• Unlimited client folders
• White-label reports
• Scheduled audits
• Ranking tracking
• Team permissions

Good value for agencies with 20–100 clients.

A scalable agency stack

Many agencies end up with something like:

• Technical crawling: Sitebulb Cloud or Screaming Frog
• Monitoring: ContentKing
• Rank tracking: Ahrefs or SE Ranking
• Reporting: Looker Studio
• Task management: ClickUp, Asana, or Linear
• Issue tickets: Jira for development teams

If you're managing 100+ websites

Look for tools that support:

• Bulk scheduling
• Portfolio dashboards
• Client folders/workspaces
• Email alerts
• APIs
• Historical crawl comparisons
• White-label PDF reports
• User permissions
• Integrations with Google Search Console and GA4

Those features will save far more time than any individual audit metric.

If your agency primarily serves WordPress sites, enterprise/e-commerce sites, or local business websites, I can narrow the recommendations to the tools that offer the best balance of automation, reporting, and cost for that niche.

If you're managing recurring SEO and technical health checks across dozens or hundreds of client websites, you'll generally want a platform built for agencies rather than a single-site crawler. The best choice depends on whether you prioritize automation, reporting, monitoring, or deep technical audits.

Here's how the leading options compare:

Best overall for agencies

1. Sitebulb Cloud

• Excellent technical SEO diagnostics
• Schedule weekly/monthly crawls
• Compare crawl history
• Multiple users
• Client reporting
• Handles hundreds of websites well

Ideal if your deliverable is a technical audit.

2. SE Ranking
One of the strongest agency platforms because it combines:

• Site audits
• Rank tracking
• Backlink monitoring
• Marketing plans
• White-label reports
• Client portals

Many smaller agencies choose it because pricing scales better than enterprise tools.

3. Ahrefs Site Audit
Good when clients already use Ahrefs.

Pros:

• Automatic recurring crawls
• Health score trends
• Historical issue tracking
• API available on higher plans

Less customizable than dedicated audit software.

4. ContentKing
A different approach.

Instead of:

Crawl every Monday

it does:

Watch the site 24/7

You'll immediately know if:

• robots.txt changes
• pages disappear
• canonicals change
• redirects break
• noindex tags appear
• titles change

This is excellent for retainers where clients expect proactive monitoring.

If you already use Screaming Frog

Many agencies build an automated workflow:

• Schedule crawls
• Export CSV
• Push into Google Sheets or BigQuery
• Generate dashboards in Looker Studio
• Send automated reports

This is inexpensive and very flexible if you're comfortable with automation.

For agencies managing 50–500 sites

A common stack looks like:

• SE Ranking or Semrush for recurring audits and client reporting
• Screaming Frog for one-off deep investigations
• ContentKing for high-value clients needing continuous monitoring
• Looker Studio with automated data feeds for executive dashboards

If you want to build your own agency system

Many agencies now combine APIs into a central dashboard:

• Scheduled crawls (Screaming Frog CLI or JetOctopus)
• Google Search Console
• Google Analytics
• PageSpeed Insights
• Lighthouse
• Core Web Vitals
• Uptime monitoring
• Backlink data

The dashboard can then display:

• Overall health score
• New issues since last crawl
• Critical errors
• SEO regressions
• Performance trends
• Client-specific KPIs

This scales well because account managers can review dozens of client sites from a single interface instead of logging into multiple tools.

If you're managing 100+ recurring client sites, this hybrid approach often provides the best balance of automation, flexibility, and reporting.

If you're managing recurring health checks for many client websites, the best tool depends on whether you want technical SEO, performance monitoring, security monitoring, or an agency workflow with white-label reporting.

Here's how the leading options compare:

If your deliverable is an agency SEO health report

SE Ranking is one of the strongest values. It lets you:

• Organize dozens or hundreds of client sites
• Schedule automated crawls
• Track technical SEO issues over time
• White-label reports with your branding
• Monitor rankings alongside site health
• Share client dashboards

For agencies with 20–200 clients, it strikes a good balance between capability and cost.

If technical SEO is your main focus

A common stack is:

• Sitebulb for deep crawl diagnostics
• Screaming Frog for custom audits and one-off investigations
• Google Search Console integration for search errors
• Google Analytics integration for traffic context

Sitebulb is generally easier to hand off to team members because it prioritizes issues and produces client-friendly reports.

If clients expect continuous monitoring

ContentKing takes a different approach than scheduled crawls.

Instead of checking weekly or monthly, it watches sites continuously and alerts you when:

• Pages become non-indexable
• Robots.txt changes
• Canonical tags change
• Titles or meta descriptions disappear
• Redirects break
• Internal links change unexpectedly

That's valuable for retainers where clients expect proactive monitoring.

If most of your clients are WordPress

A maintenance-focused stack works well:

• Manage all WordPress updates from ManageWP or MainWP
• Run uptime monitoring
• Schedule backups
• Monitor security
• Add SEO crawling using Sitebulb or SE Ranking

A scalable agency workflow

Many agencies end up with something like:

• SE Ranking → scheduled SEO audits and client reporting
• Google Search Console → indexing and search performance
• Google Analytics → traffic metrics
• Sitebulb → quarterly deep technical audits
• ManageWP (if WordPress) → updates, backups, uptime
• Slack or Microsoft Teams → automated alerts from monitoring tools

This covers ongoing health checks without requiring manual audits for every client.

If you're managing 50+ clients

Look for these features specifically:

• Central dashboard for all sites
• Bulk scheduling of crawls
• White-label PDF and live reports
• Historical issue tracking
• API access for custom dashboards
• User permissions for team members
• Integrations with project management tools
• Automated email reports
• Client portals
• Custom health score thresholds

Those capabilities reduce the operational overhead as your client list grows.

If you can share approximately how many client sites you manage (20, 100, 500+) and whether they're primarily WordPress or a mix of platforms, I can recommend a stack that's likely to fit your scale and budget.

For an agency managing recurring website health checks across many client sites, you’ll usually want tools that support multi-project management, scheduled crawls, reporting, alerts, and client-facing dashboards. The best fit depends on whether your audits are mostly SEO, performance, security, accessibility, or a full “site health” package.

Agency-friendly site audit platforms

If your “health check” includes more than SEO

Performance monitoring

• Sentry — uptime/error monitoring for web apps
• Pingdom — uptime and performance checks
• Google PageSpeed Insights — Core Web Vitals checks

Security checks

• Sucuri — malware/security monitoring
• Cloudflare — security, DNS, performance monitoring

Accessibility checks

• Siteimprove
• Deque Systems (Axe tools)

Common agency setups

Small agency (10–50 client sites)

• Sitebulb or Semrush for monthly audits
• Screaming Frog for deep investigations
• Looker Studio dashboards for client reporting

Growing agency (50–500 sites)

• Semrush / SE Ranking for client workspaces
• Automated reporting
• Central issue tracking in tools like Jira, Asana, or ClickUp

Enterprise agency

• Lumar or Conductor
• Automated alerts
• API integrations
• Custom dashboards

Features I’d prioritize for a recurring audit service

1. Scheduled crawls (weekly/monthly)
2. Audit history so you can show improvements
3. White-label PDFs/dashboards
4. Multiple client workspaces
5. Issue assignment/workflows
6. API access if you want to automate reporting
7. Alerts for critical problems (downtime, broken pages, indexing drops)

If your agency sells this as a monthly retainer deliverable, tools like Semrush, Sitebulb, and SE Ranking are often the easiest operationally because they’re designed around managing many client properties rather than just crawling one site at a time.