- HSTS
- Content-Security-Policy
- X-Content-Type-Options
- Referrer-Policy
- Permissions-Policy
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Security
47 toolsSecurity Headers
Check HSTS, CSP and other important headers.
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ABOUT THIS CHECK
Security Headers
Reviews common browser-facing security response headers.
WHY IT MATTERS
Security headers reduce exposure to several classes of browser attacks and unsafe content behavior.
Intentional policies appropriate for the application, tested before strict enforcement.
Tool guide
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Understand this result, common problems, fixes and verification.