Page speed software.
Compare page speed test tools that go beyond a one-off score, from synthetic testing to real user monitoring. Listings show pricing and free trials, and verified members rate how useful each tool is for diagnosing slow pages. Use it to choose a tool for Core Web Vitals tracking across a whole site.
No page speed tools listed yet
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How we rank: sponsored listings first (at most 3, always labelled), then featured or upgraded listings, then by member rating and number of reviews. Paying never changes reviews or ratings.
Page speed software: FAQs
What is the difference between lab data and field data in a page speed test?
Lab data comes from a simulated load on a set device and connection, so it is repeatable and good for debugging. Field data comes from real visitors, such as the Chrome UX Report, and is what Google uses for Core Web Vitals. Use lab tests to find problems and field data to confirm fixes worked.
Why do I get a different speed score every time I test?
Server response, network conditions, third-party scripts and test location all vary between runs. Run several tests and use the median, or schedule tests in a monitoring tool to see the trend. Focus on the individual metrics such as LCP and INP rather than the overall score.
How many page speed tools are listed?
None yet. The directory is growing, and vendors can list their tools with a Business account.
How are tools ranked here?
Sponsored listings come first (at most 3, always labelled). Then featured or upgraded listings, then by member rating and number of reviews. Paying never changes reviews or ratings.
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