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Sitechecker Website Monitoring vs Oh Dear: catalog facts
Sitechecker Website Monitoring	Oh Dear
Paid Paid platform with a free way to start and some free SEO tools.	Paid Paid plans with a 10-day free trial that needs no payment details.
Web, Browser extension	Web
Alerts on changes to robots.txt, sitemaps and meta tags Detects broken links and redirects	Crawls whole sites for broken links, not just the homepage Uptime, SSL, DNS and cron checks in one tool
Focused on SEO rather than uptime Full monitoring requires a paid plan	No permanent free plan Hosted only
Hosted service, Browser extension	Hosted service
Closed source	Closed source
License not stated	License not stated
Account needed	Account 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.