
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.

Google Chrome
Brave
Vivaldi
Opera
Tor Browser
Chromium
Safari
Get the browsers that put your privacy first — and always have
Which is more popular?
Based on our record, Security Headers seems to be more popular. It has been mentioned 70 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | securityheaders.com | mozilla.org |
| Company | — | Startup from the United States |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Security Headers yet.
Get the browser that protects what’s important. No shady privacy policies or back doors for advertisers. Just a lightning fast browser that doesn’t sell you out.
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of Security Headers yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
HTTP Security Headers | Part 01
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Mozilla Firefox Review
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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 Mozilla Firefox. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Firefox is a lightweight browser and doesn't require much space or memory, meaning it can operate smoothly even on lean machines. But it doesn't compromise on utility. It's packed with supplementary tools, like a...
Mozilla Firefox stands out as an open-source browser that prioritizes privacy and customization. As a top choice among browsers not based on Chromium, it has gained a loyal following thanks to its strong focus on user...
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 / 13 days ago
Check: Go to securityheaders.com and enter your URL. A grade below B means you're missing important ones. - Source: dev.to / 4 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
Tracking Mozilla Firefox since Mar 2021.
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Hardenize provides a comprehensive and free assessment of web site network and security configuration.
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Fast and secure, ad and tracker blocking browser.
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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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Vivaldi is a free, fast web browser designed for power-users. You decide how you browse. Download Vivaldi's fully customisable browser now and browse your way.
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