Test website speed free
Measure how fast a web page loads and get improvement tips from Google.
When do you use this?
Useful for seeing why a page is slow, on mobile and desktop.
Good to know
Tested on a sample site (wikipedia.org, desktop): after just over a minute a report appeared with a score of 100 and metrics (FCP 1.1 s, LCP 1.4 s, TBT 0 ms, CLS 0.001, Speed Index 2.8 s). The analysis takes a moment, and a Google cookie notice appears. English-language interface (unless stated otherwise). No account needed.
On this tool’s website: few or no ads or trackers seen.
Goes well with
Test Core Web VitalsShows the Core Web Vitals of a page: main content load time, layout shifts and responsiveness.Tool: PageSpeed InsightsCheck website headersChecks the security headers of a website and gives it a grade.Tool: Security Headers
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