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HTTP Header Analyzer

Paste HTTP request or response headers to get a parsed breakdown with explanations and security recommendations.

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HTTP Header Analyzer: Inspect and Debug Response Headers

Analyze HTTP response headers for security, caching, and performance issues. Identify missing headers and get actionable recommendations.

What Are HTTP Headers

HTTP headers are metadata fields sent between clients and servers with every request and response. They control caching behavior, specify content types, manage authentication, enforce security policies, and enable features like compression and CORS. Understanding headers is fundamental to debugging web applications, optimizing performance, and securing APIs.

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