Simple Pricing.
Every paid plan includes the full page monitoring suite. Upgrade to Marketer or Agency to add server and cron job health. No per-seat pricing, no surprises.
All prices exclude VAT where applicable.
Free
billed annually
Essential uptime monitoring for one page, free forever.
Starter
billed annually
Full suite page monitoring for your most important pages. Catch problems before they catch you.
Marketer
billed annually
Deeper monitoring of your pages, server health and scheduled tasks with faster checks and 180 days of page check history. For growing sites where staying ahead of issues matters.
Agency
billed annually
Your clients expect you to know when something's wrong before they do. 30 pages, server and scheduled task health, 1-minute checks, and a full year of page check history makes that possible.
Enterprise
More pages, custom data retention, dedicated support and tailored onboarding for larger teams and portfolios.
How much is poor website health costing you?
| Plan Limits | Free | Starter | Marketer | Agency |
|---|---|---|---|---|
| Pages Tracked | 1 | 5 | 10 | 50 |
| Uptime Interval | 10m | 5m | 1m | 1m |
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Uptime & Availability
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Instant AlertsGet notified the second your site goes down via Email or Webhook. Incident HistoryA transparent log of every downtime event and recovery time. UK & EU BasedPrivacy-focused monitoring with all data kept strictly within the UK and EU. Keyword PresenceVerify specific text exists on the page to ensure your database is healthy. 24/7 MonitoringContinuous availability checks running every minute, every day. Smart VerificationWe double-check every failure to eliminate false positives and noise.
Free History
30 Days
Starter History
90 Days
Marketer History
180 Days
Agency History
365 Days
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Integrity & Assets
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SSL Chain VerificationEnsure your certificate is trusted by all major browsers. Domain Expiry GuardMonitor domain registration status to prevent accidental lapse. Broken Asset EngineDetect 404s on critical CSS, JS, and image dependencies. Mixed Content AlertsIdentify insecure HTTP resources on your secure HTTPS site. DNSSEC & Record AuditVerify DNS records are correctly configured and tamper-proof.
Free History
0 Days
Starter History
90 Days
Marketer History
180 Days
Agency History
365 Days
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SEO & AI Visibility
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Metadata & Canonical AuditMonitors title and description lengths, flags duplicates, and ensures canonical tags match final URLs. Schema ValidationBlock-level JSON-LD validation against schema.org rules - required and recommended properties checked per @type, with structural errors and warnings clearly separated. AI Readiness ScoringAssesses each schema block for entity clarity, sameAs authority links, speakable signals, and FAQ markup - the signals AI search tools use to understand and recommend your content. AI Crawler & llms.txt AuditConfirms that AI crawlers (GPTBot, ClaudeBot, Perplexity and others) are permitted by your robots.txt, and checks whether llms.txt is present, well-formed, and giving AI tools what they need. Indexing & Robots IntegrityDual-layer verification checking meta robots directives and robots.txt for noindex instructions that could silently remove pages from search. Advanced Link HealthAutomated crawler detects broken internal and external links before they erode crawl efficiency and trust signals. Security & Mixed ContentScans for insecure HTTP resources loaded on HTTPS pages, which undermine both security signals and search quality assessments. Smart Redirect MonitoringVerifies HTTP requests correctly redirect to HTTPS to preserve link equity and avoid crawl inefficiency. Heading Structure AnalysisAnalyses H1 tag usage and hierarchy for the semantic clarity that both search engines and AI tools rely on to understand page intent. Social Tag CompletenessValidates Open Graph and Twitter Card tags that control how your pages appear in social sharing and AI-generated link previews.
Free History
0 Days
Starter History
90 Days
Marketer History
180 Days
Agency History
365 Days
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Content Monitoring
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Weighted Change IndexQuantifies shifts in content substance using Jaccard Similarity and Levenshtein distance. External Dependency FingerprintingMaps and monitors every third-party domain to detect unauthorized resource injection. Keyword Drift & DensityTracks top semantic terms to ensure content remains aligned with target keywords. Intelligent Content Noise ReductionStrips headers and footers to analyze only core body copy. Visual & Asset AuditingMonitors image counts and page weight to detect performance regressions. Historical Structural MappingAlerts you the moment a developer changes your H1 or Title architecture. Content Similarity BaselineCompares current snapshots against historical data for semantic similarity scores.
Free History
0 Days
Starter History
90 Days
Marketer History
180 Days
Agency History
365 Days
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Page Performance
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Core Web Vitals EngineReal-time monitoring of LCP, CLS, and INP with threshold validation. Lighthouse Issue ExtractionIdentifies specific CSS/JS names and DOM elements causing bottlenecks. Automated Regression LogicDetects and alerts on significant performance dips (>5 points) between crawls. Resource Payload AuditsCategorized monitoring of transfer size, render-blocking impact, and TTFB. Visual Stability ForensicsIdentifies exact "Unsized Images" causing layout shifts (CLS). Third-Party Script AnalysisIsolates and identifies the slowest external origins like GTM or Facebook SDK.
Free History
0 Days
Starter History
90 Days
Marketer History
180 Days
Agency History
365 Days
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Security Monitoring
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Secure Infrastructure AuditIdentify exposed server signatures and software version disclosures. Hardened Header ValidationMonitoring of HSTS, CSP, X-Frame-Options, and more. Cookie & Session SecurityAudits cookies for HttpOnly, Secure, and SameSite flags. Form Injection DefenseScans forms for missing CSRF protection and insecure submission methods. Mixed Content & Resource IntegrityValidates Subresource Integrity (SRI) for external scripts. Automated Software ForensicsCross-references CMS and server versions against known vulnerability patterns. Browser-Side Risk ProfilingDetects configurations prone to clickjacking or DOM-based exploits.
Free History
0 Days
Starter History
90 Days
Marketer History
180 Days
Agency History
365 Days
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Server Monitoring
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CPU, Memory & DiskReal-time tracking of resource usage with historical charts and threshold-based alerting. Load Average MonitoringTracks 1, 5, and 15-minute load averages as a percentage of available cores. Service Health ChecksMonitors individual services — nginx, MySQL, Redis, PHP-FPM and others — and alerts the moment one stops. Crash-Loop DetectionDetects services that are repeatedly restarting and alerts before the situation becomes critical. Sustained Breach DetectionConfigurable delay before an incident opens — so brief spikes never trigger false alarms. Resource Snapshot at BreachCaptures CPU, memory, load, and top processes at the moment an incident opens. Lightweight AgentA single install command deploys the agent. No open ports, no cloud credentials, no configuration files to maintain. Incident TimelineEvery breach, recovery, and escalation logged with timestamps and context alongside your site events.
Free History
0 Days
Starter History
0 Days
Marketer History
14 Days
Agency History
90 Days
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Cron Monitoring
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Missed Job DetectionAlerts when a scheduled job doesn't check in within its expected window. Late Job AlertsWarns when a job runs significantly later than its configured schedule. Flexible SchedulesSupports any cron frequency — from every minute to monthly jobs. Grace PeriodsConfigurable tolerance window so occasional delays don't trigger unnecessary alerts. Check-in URLA unique ping URL per monitor. Add a single curl call to your job and SiteVitals handles the rest. Incident HistoryFull log of every missed, late, and recovered job with timestamps. Email & Webhook AlertsInstant notifications via email, Slack or webhook when a job is overdue. Run Duration TrackingRecords how long each job takes to complete so you can spot performance regressions.
Free History
0 Days
Starter History
0 Days
Marketer History
30 Days
Agency History
90 Days
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| Ready to go? |
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Every plan includes unlimited people. No per-seat pricing. Ever.
Because monitoring reports are shareable via a simple link - no login required for the recipient - there's no such thing as a seat limit on a SiteVitals plan. A Marketer plan covering 10 pages covers those pages for your whole team, your clients, your stakeholders. Share the link, they see the data.
Six monitors. One timeline.