Free SEO tools
Every tool runs a live server-side request when you press Check — no cached or fake results.
WHOIS Lookup
Registrar, registration dates and name servers for any domain.
SSL Checker
Certificate issuer, validity window and days remaining.
HTTP Header Checker
Response headers, status code and security header audit.
Redirect Checker
Full redirect chain with status codes per hop.
Mobile-Friendly Test
Viewport, responsive signals and mobile usability hints.
IP Lookup
A/AAAA/MX/NS records, reverse DNS and blacklist checks.
Rate limit: 20 checks per 10 minutes per visitor. Tools use the same crawler our link-health monitor uses.