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SEO Site Checkup vs SEOptimer: catalog facts
SEO Site Checkup	SEOptimer
Freemium One free check per day without an account; more checks and monitoring need a sign-up or…	Freemium Free single audits; white-label reports and the full toolset need a paid plan with free…
Web	Web
Fix instructions for each failed check Competitor comparison in the same report	Instant audit from a single URL Prioritised, plain-language recommendations
Only one check per day without signing up Monitoring and tracking features are paid	Report branding and deeper features are paid Scores are a summary rather than a full crawl
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 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.