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Sitechecker vs SEOquake: catalog facts
Sitechecker	SEOquake
Freemium The single-page SEO checker is free; crawling, monitoring and rank tracking are paid…	Free The extension is a free download; the linked web checker allows three free checks a day.
Web, Browser extension	Web, Browser extension
Free page audit with a score, status code and indexation status Crawler, monitoring and rank tracking in the same platform	On-page SEO audit directly in the browser Internal link inspection and URL comparison
Most features beyond the single-page checker are paid Aimed at marketers, so reports focus on SEO rather than general site health	Homepage now redirects to a Backlinko page that promotes Semrush Deeper site-wide audits are pushed toward paid Semrush tools
Web application, Browser extension	Web application, Browser extension
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	Not stated if it works offline
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.