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Hardenize vs ImmuniWeb SSL Security Test: catalog facts
Hardenize	ImmuniWeb SSL Security Test
Freemium The public report is free; continuous monitoring is a paid service.	Free The test is free; ImmuniWeb also sells commercial security services.
Web	Web
Free public configuration report for any domain Continuous certificate and perimeter monitoring for organisations	Tests email servers as well as web servers Compliance checks for PCI DSS, HIPAA and NIST
Monitoring features are aimed at organisations rather than individuals Little public detail about pricing	Provided as is without warranty Only tests servers reachable from the internet
Web application, Hosted service	Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	No 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.