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Sitechecker vs Website Grader: catalog facts
Sitechecker	Website Grader
Freemium The single-page SEO checker is free; crawling, monitoring and rank tracking are paid…	Free Free to use in the browser.
Web, Browser extension	Web
Free page audit with a score, status code and indexation status Crawler, monitoring and rank tracking in the same platform	Free and runs in the browser with just a URL Covers performance, mobile, SEO and security in one report
Most features beyond the single-page checker are paid Aimed at marketers, so reports focus on SEO rather than general site health	Less detailed than dedicated performance or SEO audit tools Part of HubSpot's marketing ecosystem
Web application, Browser extension	Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 1, 2026

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