Developed by Mozilla, the HTTP Observatory performs an in-depth assessment of a site’s HTTP headers and other key security configurations.


CryptCheck is described as 'Ruby toolbox that help anybody to check for cryptography security level and best practices compliance' and is an app in the security & privacy category. There are more than 10 alternatives to CryptCheck for a variety of platforms, including Web-based, Linux, SaaS, Windows and Mac apps. The best CryptCheck alternative is HTTP Observatory, which is both free and Open Source. Other great apps like CryptCheck are Qualys SSL Server Test, Hardenize, TestSSL and SSLyze.
Developed by Mozilla, the HTTP Observatory performs an in-depth assessment of a site’s HTTP headers and other key security configurations.


This free online service performs a deep analysis of the configuration of any SSL web server on the public Internet. Please note that the information you submit here is used only to provide you the service. We don't use the domain names or the test results, and we never will.

Hardenize provides a comprehensive and free assessment of web site network and security configuration.



Comprehensive SSL/TLS monitoring. We proactively monitor your SSL/TLS enabled domains to prevent expiry, misconfiguration, and insecure protocols. We watch and report any changes to your certificate so you can detect and respond to attempts at tampering or domain takeover.




The Website Security Test is a free online tool to perform web security and privacy tests:

As the project name CryptoLyzer implies, it is a cryptographic protocol analyzer. The main purpose of creating this
Reviewing a website's Content-Security-Policy settings, suggesting improvements to protection, and possible bypasses to the policy.

Cipherscan tests the ordering of the SSL/TLS ciphers on a given target, for all major versions of SSL and TLS. It also extracts some certificates informations, TLS options, OCSP stapling and more. Cipherscan is a wrapper above the openssl s_client command line.