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HTTP Headers

HTTP response headers, security header configuration, and server hardening.

3 articles

HTTP headers are invisible to your visitors but critical for security. Headers like HSTS, Content-Security-Policy, and X-Frame-Options tell browsers how to handle your content. Missing or misconfigured headers leave gaps that attackers can exploit.

Our articles explain what each security header does, how to configure them properly, and how to test your setup. We also built a free HTTP Header Inspector tool if you want to check your own site right now.