
Mozilla Observatory
Hardenize
Qualys SSL Server Test
MxToolBox
HTTP Observatory
UptimeRobot
Sucuri
Quickly and easily assess the security of your HTTP response headers.

NinjaOne
Tenable.io
OpenVAS
Intruder
HaloPSA
Qualys
SecureStack
Keep track of your External Vulnerabilities and report on your Zero Trust compliance across your Devices with the RoboShadow Cyber platform.

Which is more popular?
Based on our record, Security Headers seems to be more popular. It has been mentioned 69 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | securityheaders.com | roboshadow.com |
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Why this product is good
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HTTP Security Headers | Part 01
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Recommendations tracked on public social media and blogs since March 2021.


Check: Go to securityheaders.com and enter your URL. A grade below B means you're missing important ones. - Source: dev.to / 3 months ago
The curl above is the fastest check; all four lines should come back. In a browser, DevTools, Network tab, click the document request, read Response Headers. For a letter grade, securityheaders.com scores you against a known rubric. One... - Source: dev.to / 4 months ago
Remediation: Configure your web server to suppress or mask the Server header. Add security headers like Content-Security-Policy, Strict-Transport-Security, X-Frame-Options, and X-Content-Type-Options. You can use tools like... - Source: dev.to / 5 months ago
Tracking RoboShadow since Jul 2025.
When comparing Security Headers and RoboShadow, you can also consider the following products.

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NinjaOne (Formerly NinjaRMM) provides remote monitoring and management software that combines powerful functionality with a fast, modern UI. Easily remediate IT issues, automate common tasks, and support end-users with powerful IT management tools.
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Hardenize provides a comprehensive and free assessment of web site network and security configuration.
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Tenable.io Cyber Exposure platform helps to protect any asset on any computing platform and eliminate blind spots.
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This free online service performs a deep analysis of the configuration of any SSL web server on the public Internet.
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The Open Vulnerability Assessment System (OpenVAS) is a framework of several services and tools...
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