What are security headers?
They are HTTP response headers that tell the browser how to behave in terms of security, protecting against XSS and clickjacking.
HTTP Header Inspector — Audit Your Server Response
Inspect and audit HTTP response headers • Identify security headers, caching policies, and server info
Last updated: May 2026
Network & Performance 0.0(0 Reviews)
Inspect the HTTP response headers of any website. Identify security headers (CSP, HSTS), caching policies, and server information to improve your site's performance and security.
• Fact-Checked & Verified•Compliance: 2026 Standards•Last Updated: May 2026
01
Why Use our HTTP Header Inspector?
Inspect the HTTP response headers of any website. Identify security headers (CSP, HSTS), caching policies, and server information to improve your site's performance and security.
How it works
The tool makes a server-side request (via proxy) to the target URL and returns the raw and formatted header data for analysis.
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Key Features of HTTP Header Inspector
Complete list of raw and formatted headers
Security header 'Risk Score' assessment
Status code explanation and context
Identification of server technology and version
03
Common Questions About HTTP Header Inspector
Why should I hide my server header?
Exposing specific server versions can help attackers identify known vulnerabilities; hiding them is a form of 'security by obscurity'.
Looking for more professional developer utilities?
Explore All WebToolkit Pro ToolsEditorial Standards & Processing Transparency
This utility is engineered and maintained under strict editorial and technical standards. All source calculations are audited against official formatting standards and RFC specifications to guarantee mathematical and logic accuracy.
Content Creation & Automation Transparency: To ensure our dynamic developer specifications and reference datasets remain fully comprehensive and updated against newly released RFC updates, this page compiles technical documentation using advanced programmatic retrieval tools. Every output data block, feature list, and system specification is subsequently audited, fact-checked, and verified by our systems engineers for absolute correctness and accuracy.
Security Guarantee: To guarantee absolute user privacy, this tool executes 100% client-side inside your web browser. None of your input strings, payloads, keys, or files are ever transmitted to a server or stored externally.
Built by Abu Sufyan • Also explore: Severance Calculator & TradeConvert
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