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SEOptimer vs SmallSEOTools Website SEO Score Checker: catalog facts
SEOptimer	SmallSEOTools Website SEO Score Checker
Freemium Free single audits; white-label reports and the full toolset need a paid plan with free…	Free Free to use in the browser.
Web	Web
Instant audit from a single URL Prioritised, plain-language recommendations	Free with a simple enter-a-URL workflow Checklist-style breakdown of results
Report branding and deeper features are paid Scores are a summary rather than a full crawl	A quick score rather than a full site crawl The page is surrounded by ads and long SEO copy
Web application	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 September 23, 2026

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