Core Web Vitals
LCP, FCP, CLS, TBT, Speed Index, and Lighthouse category scores when PageSpeed responds.
Get a practical website check across speed, SEO, crawlability, analytics, and security headers. The free plan includes 2 scans per day after email login.
Preview a page title, meta description, and display URL in your browser. No account, crawl, or provider API is needed.
Open SERP snippet previewEach scan separates technical evidence from action guidance so you can fix one issue at a time.
LCP, FCP, CLS, TBT, Speed Index, and Lighthouse category scores when PageSpeed responds.
Title, description, canonical, Open Graph, Twitter cards, H1/H2 shape, and content signals.
Checks robots.txt, default sitemap reachability, sitemap references, and crawl blockers.
HTTPS, HSTS, CSP, X-Frame-Options, and X-Content-Type-Options are surfaced in plain language.
Looks for GA4, GTM, legacy UA, pixels, and consent-related signals visible in the page.
Produces fix prompts and short checklists from the scan evidence, without hiding the raw findings.
The free checker is strongest for regression checks: scan the same URL after a release and compare the evidence, not just the headline score.