
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.

sbomify
depproof
FOSSA
OWASP Dependency-Track
ReARM
Trivy
CRA paperwork for small device makers.
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 | getproofsheet.com |
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In their own words, as submitted to SaaSHub.


No description of Security Headers yet.
Upload the software you ship: device firmware, a phone app or a desktop app. In minutes you see what's inside it, what's out of date, and what to fix first. Proofsheet is built for small companies that sell connected products in the EU and need to meet the Cyber Resilience Act. You get a...
What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
Walkthroughs and reviews on video.
HTTP Security Headers | Part 01
More videos
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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 Proofsheet. 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 Proofsheet 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 / 23 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
Tracking Proofsheet since Nov 2026.
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From generation to distribution. Generate, manage, and share SBOMs and compliance documents. Integrate with GitHub, GitLab, and more. CRA & NTIA compliant.
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Hardenize provides a comprehensive and free assessment of web site network and security configuration.
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Application security risk in your open-source dependencies: vulnerabilities and licences across the full transitive tree, SBOM included. Free under $1M.
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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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Open source license compliance and dependency analysis
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