
Mozilla Observatory
Hardenize
ImmuniWeb
Snyk
Detectify
Aikido Security
Modify Header Value (HTTP Headers)
Scan your HTTP security headers (CSP, HSTS and more) and get ready-to-paste Nginx, Apache and Cloudflare fixes.

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

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 | headershield.dev | securityheaders.com |
| Pricing | — | |
| Listed in |
In their own words, as submitted to SaaSHub.


HeaderShield scans a URL for HTTP security headers like CSP, HSTS and X-Frame-Options, explains each one in plain language, assigns a grade, and outputs ready-to-paste Nginx, Apache and Cloudflare snippets to close the gaps. Free to scan.
No description of Security Headers yet.
What each product offers, as listed by its team.


Possible disadvantages
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 Security Headers yet.
Walkthroughs and reviews on video.
No HeaderShield.dev videos yet. You could help us improve this page by suggesting one.
HTTP Security Headers | Part 01
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using HeaderShield.dev and Security 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.


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Recommendations tracked on public social media and blogs since March 2021.


Tracking HeaderShield.dev since Jun 2026.
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
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 / 6 months ago
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