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Security

Security Headers

Review HTTP security headers to detect missing, incomplete, or weakly configured protections.

Analyze Security

Scan response HTTP headers to verify the implementation of essential security policies.

Security headers protect your site against XSS, Clickjacking, and other common vulnerabilities.

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WHAT DOES HEADER SECURITY MEASURE?

HTTP headers help reduce common risks such as clickjacking, MIME sniffing, referrer information leakage, or insecure connections.

This tool reviews a pasted header block and summarizes which protections are present.

  • Quick review:

    Checks the presence of key headers.

  • Actionable diagnosis:

    Separates correct, missing, and reviewable headers.

  • Guidance score:

    Summarizes overall status without replacing a full audit.

  • Audit compatible:

    Useful for documenting technical security signals.

Questions about Security Headers

Common questions about HTTP protections and configuration.

Does this tool query the server?
No. It reviews the headers you paste. You can obtain them from DevTools, cURL, or an HTTP inspection tool.
Do all websites need a strict CSP?
Not always. CSP is very useful, but it must be configured carefully to avoid breaking legitimate resources.
Does a good score guarantee total security?
No. Headers are one layer of defense, but they do not replace application review, server security, dependencies, and permissions.