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


Scruty is described as 'Comprehensive web security analysis platform that evaluates your website's security posture in seconds. It performs over 20 automated checks including SSL/TLS certificates, HTTP security headers (CSP, HSTS, X-Frame-Options), DNS configuration (DNSSEC, SPF, DKIM' and is an app in the security & privacy category. There are six alternatives to Scruty for a variety of platforms, including Web-based, Mac, Windows, SaaS and Linux apps. The best Scruty alternative is HTTP Observatory, which is both free and Open Source. Other great apps like Scruty are Qualys SSL Server Test, Security Headers, SSL/TLS Security Test by ImmuniWeb and UpGuard .
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.

Quickly and easily assess the security of your HTTP response headers.
The Website Security Test is a free online tool to perform web security and privacy tests:

Visibility into the state of your IT infrastructure, enabling you to understand your risk potential, prevent breaches, and speed up software delivery.
