
Mozilla Observatory
Hardenize
Qualys SSL Server Test
HTTP Observatory
Snyk
Sucuri Security Scanner
Detectify
Quickly and easily assess the security of your HTTP response headers.

Sky Live HTTP Headers
WebSniffer
HTTP-Repeater (HTTP/s Live Headers) (Beta)
HTTP Header Analyzer
HTTP-TRACKER
Requestly
HTTP Header Spy
Modify Header Value (HTTP Headers) is a browser extension that allows you to add, modify or remove a header for any request to your preferred domains.

Which is more popular?
Based on our record, Security Headers seems to be a lot more popular than Modify Header Value (HTTP Headers). While we know about 70 links to Security Headers, we've tracked only 4 mentions of Modify Header Value (HTTP Headers).
Website, pricing, platforms and company facts side by side.
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| Website | securityheaders.com | mybrowseraddon.com |
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
Walkthroughs and reviews on video.
HTTP Security Headers | Part 01
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Security Headers and Modify Header Value (HTTP Headers). For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of Modify Header Value (HTTP Headers) yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Since we were back in the security settings anyway, Claude and I went through the whole guide: added headers, set up CSP with no inline scripts, no-store. The securityheaders.com score went from F to A+. - Source: dev.to / 19 days ago
Check: Go to securityheaders.com and enter your URL. A grade below B means you're missing important ones. - Source: dev.to / 5 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 / 5 months ago
Yep that started recently. I found a solution with the add-on Modify Header Value (HTTP Headers) , you need to add two rules:. Source: over 3 years ago
Going off of what a user said in the comments of another post complaining about this, you can get the old behaviour back by modifying the request headings. I've managed to do this using a Chrome extensions called Modify Header Value... Source: over 3 years ago
To change user agent on fenix (nighlty ,using custom collection )I use https://mybrowseraddon.com/modify-header-value.html It can also modify other header parameters . Source: over 4 years ago
When comparing Security Headers and Modify Header Value (HTTP Headers), you can also consider the following products.

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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Sky Live HTTP Headers is an open-source browser extension that visually displays HTTP requests and response headers from every website you visit.
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Hardenize provides a comprehensive and free assessment of web site network and security configuration.
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WebSniffer is an online tool to outlook HTTP request and response headers.
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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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HTTP-Repeater (HTTP/s Live Headers) (Beta) is a browser extension that lets you capture browser requests and repeat the process in a loop automatically.
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