Compare software

WebPageTest vs PageSpeed Insights: catalog facts
WebPageTest	PageSpeed Insights
Freemium Basic tests are free, with paid options available.	Free Free to use.
Web	Web
Detailed request waterfall and filmstrip view Tests from multiple locations	Field and lab data side by side Separate mobile and desktop results
Output is detailed and assumes some performance knowledge Some features sit behind paid plans	Field data only appears for URLs with enough Chrome traffic Single-page checks rather than ongoing monitoring
Web application	Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	No account needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.