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urlscan.io vs Request Map Generator: catalog facts
urlscan.io	Request Map Generator
Freemium Basic scanning is free, with paid plans for heavier or commercial use.	Free Free to use.
Web, Browser extension	Web
Screenshot of the page without visiting it yourself Records every network request the page makes	Visual map of all third-party domains a page calls Shows where bytes come from and which domains are slow
Advanced use requires a paid plan Scans are processed by a third-party service	Tests can queue behind other pending jobs Shows a single page load rather than a whole site
Web application, Browser extension	Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	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.