SiteCheck
Scan a site

One URL. Four scanners.

Security, SEO, AEO and health — everything you need to check after you ship, all in a single free scan.

Security scanner

Find the holes before attackers do.

Detects exposed API keys in your JavaScript bundles, missing security headers, weak TLS delivery, open CORS, unprotected forms, publicly served .env / .git files, and Supabase / Firebase misconfigurations — the same classes of risk tracked by the OWASP Top 10.

SEO checker

Get found on Google.

Grades indexability, on-page metadata, canonical URLs, headings, structured data, robots and sitemaps, social cards and mobile-readiness — each with a concrete, prioritized fix.

AEO scanner

Get cited by AI answer engines.

Answer Engine Optimization measures how likely ChatGPT, Claude and Perplexity are to quote you: llms.txt, AI crawler access in robots.txt, extractable content depth, semantic HTML and Q&A structured data.

Health & performance

Stay fast after launch.

Audits server response time, compression, caching, document weight and script bloat — the signals that drive Core Web Vitals and a fast first paint.

Run all four now

One scan covers every product above. Free.

No signup, no credit card. 100+ checks across security, SEO, AEO & health — free forever.

See every individual check →