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Sitebulb vs Checkbot: catalog facts
Sitebulb	Checkbot
Paid Paid subscription with a free trial.	Freemium Free to install, with Checkbot Pro from $10 per month.
Web	Browser extension
Prioritised hints with built-in explanations JavaScript crawling included	Crawls hundreds of pages at once More than 50 SEO, speed and security checks
Paid after the trial Desktop crawls capped at 500,000 URLs per audit	Chrome only Some features require a paid plan
Downloadable app, Hosted service	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
Not stated if it works offline	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.