Website Speed, Mobile & Security Tests (Free, Real-User Data)
Speed, mobile layout and HTTPS hygiene are table stakes for ranking and for trust. These tests use real-user Chrome data where it exists and tell you which fix moves the number.
Core Web Vitals Test
Free Core Web Vitals test: real-user LCP, INP and CLS from Chrome field data plus a mobile Lighthouse run — and the three fixes that matter most.
Open toolHSTS Checker
What is HSTS and is yours right? Check any site's Strict-Transport-Security header, max-age, includeSubDomains and preload eligibility, with fixes.
Open toolMobile-Friendly Test
Google retired its Mobile-Friendly Test in Dec 2023. Test any URL here: real mobile screenshot, viewport and font checks, and a clear pass or fail.
Open toolSecurity Headers Checker
Free security headers checker: scan a URL for HSTS, CSP, X-Frame-Options, X-Content-Type-Options and more, graded A–F with copy-paste fixes.
Open tool
Run every check at once
The free SEO audit crawls your site and scores ~90 checks — evidence and fixes included.