Site Speed Test

Check any website's loading speed, Core Web Vitals, SEO and accessibility. Powered by Google Lighthouse — the same engine behind PageSpeed Insights.

Without a key you can run a handful of tests before Google rate-limits you. A free key removes that limit. Get one from the Google Cloud Console. Stored only in this browser.

Analysing…
Google is loading the page in a real browser. This usually takes 15–30 seconds.