See which pages Google and AI crawlers never reach
Stage
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Founded
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Based in
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Pricing model
Free
Freemium
Pricing
Not given
Free: public checker, no account needed. Starter: $9/month for one site with weekly checks and AI crawler probes. Pro: $19/month for five sites. Agency: $49/month for twenty-five sites.
Key features
100+ automated checks across 8 categories
Mobile and desktop Lighthouse audits
Security header analysis including CSP, HSTS, X-Frame
SSL certificate chain and expiry monitoring
Core Web Vitals measurement
Technology stack detection
Accessibility audit with screenshot contrast analysis
PDF, JSON, and Markdown export
Permanent public report URLs
Free tools including DNS lookup, SSL checker, and redirect tracer
Live crawler probes for Google, ChatGPT, Claude, and Perplexity
HTTP status and redirect tracking
robots.txt rule checking per user-agent
noindex meta tag and X-Robots-Tag detection
Canonical URL validation
Sitemap listing verification
Firewall block detection (403 errors)
Weekly monitoring and email alerts
Plain-English fix prompts
What makes it different
Truly free with no account, credit card, or subscription required
Comprehensive 8-category scoring system in addition to Lighthouse
Globally distributed workers to test from multiple regions
Permanent public URLs allow reports to be shared and compared over time
Fast and lightweight, built with Go and Alpine.js
Read-only checks that never request Google indexing or change your site
Checks AI crawlers like GPTBot and ClaudeBot separately from Google
Free public check with no account or sign-up required
BeaverCheck
IndexDoctor