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Request Map Generator vs Webbkoll: catalog facts
Request Map Generator	Webbkoll
Free Free to use.	Free Free to use, run by a non-profit foundation.
Web	Web
Visual map of all third-party domains a page calls Shows where bytes come from and which domains are slow	Covers cookies, third parties, HTTPS and security headers in one report Checks HTTP to HTTPS redirects
Tests can queue behind other pending jobs Shows a single page load rather than a whole site	Some sites fail to scan correctly Simulates a single default browser visit
Web application	Web application
Closed source	Closed source
License not stated	License not stated
No account 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.