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WebPageTest vs Request Map Generator: catalog facts
WebPageTest	Request Map Generator
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	Visual map of all third-party domains a page calls Shows where bytes come from and which domains are slow
Output is detailed and assumes some performance knowledge Some features sit behind paid plans	Tests can queue behind other pending jobs Shows a single page load rather than a whole site
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.