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Dotcom-Tools vs Check-Host: catalog facts
Dotcom-Tools	Check-Host
Freemium The basic online tests are free; an account sign-up is offered for further features.	Free The checks are used in the browser at no cost.
Web	Web
Tests from nearly two dozen locations around the world Element-level waterfall chart for page speed	Checks run from many locations around the world at once Covers ping, HTTP, TCP, UDP and DNS in one place
Closed-source hosted service Some features are tied to an account sign-up	Web service only, with no self-hosted version Page carries advertising for hosting services
Web application	Web application
Closed source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Needs internet	Needs internet
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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