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Security header check

Paste a public URL. We run one request, read the response headers, and score them the same way we grade apps in the directory — quick signal, not a penetration test.

Check any public URL

We request the URL once (HEAD) and grade security headers — same engine as app listings. Not a full audit.

Enter a full URL (for example, https://example.com) to enable the scan button.

Prefer browsing ranked products? Security leaderboard · Security guides

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