
Security Headers
Mozilla Observatory
Hardenize
Qualys SSL Server Test
Sucuri Security Scanner
Cloud Cultivator
Malinois
Developed by Mozilla, the HTTP Observatory performs an in-depth assessment of a site’s HTTP headers and other key security configurations.

HeaderFlex.app
Security Headers
Mozilla Observatory
Qualys SSL Server Test
Live HTTP Headers
SSL.com
Pentest-Tools
HTTP Header Checker Tools

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | developer.mozilla.org | requestheaders.com |
| Pricing | — | |
| Platforms | — | |
| Company | — | 2023 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of HTTP Observatory yet.
Check HTTP Status Codes, SSL Validation, WWW Authentication, Redirects, Access Control, Cache Control, Content Encoding, Cookie Data and more...
What each product offers, as listed by its team.


No features have been listed yet.
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of RequestHeaders.com yet.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using HTTP Observatory and RequestHeaders.com. For example, how are they different and which one is better?
When comparing HTTP Observatory and RequestHeaders.com, you can also consider the following products.

Quickly and easily assess the security of your HTTP response headers.
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A local-first ModHeader alternative: rewrite HTTP request & response headers via Chrome's native declarativeNetRequest. No backend, no account, no telemetry.
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The Mozilla Observatory is a project designed to help developers, system administrators, and security professionals configure their sites safely and securely.
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Hardenize provides a comprehensive and free assessment of web site network and security configuration.
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This free online service performs a deep analysis of the configuration of any SSL web server on the public Internet.
Compare Qualys SSL Server Test to HTTP Observatory or RequestHeaders.com:
Sucuri Security Scanner is a web-based tool that is used to protect the website from intruders and hackers.
Compare Sucuri Security Scanner to HTTP Observatory or RequestHeaders.com: