HTTP Header Checker

Analyze website security headers and performance optimization settings

Security Analysis
Performance Check
Server Info
Why Check HTTP Headers?

HTTP headers contain crucial information about security policies, caching strategies, and server configuration. Proper headers improve security and performance.

HTTP Header Analyzer

Enter a website URL to analyze HTTP response headers, security settings, and performance configurations.

Tool Features

Comprehensive HTTP header analysis with security and performance insights

HTTP Header Analysis

Comprehensive analysis of HTTP response headers and security settings

Security Assessment

Evaluate security headers like HSTS, CSP, X-Frame-Options

Performance Headers

Check caching, compression, and performance optimization headers

Server Information

Identify server technology, version, and configuration details

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Secure Header Checker

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Frequently Asked Questions

An HTTP Header Checker is an online tool that analyzes all HTTP response headers from a website. It checks security headers, performance headers, caching settings, server information, and other HTTP header configurations to help you understand and optimize your website's HTTP response.

HTTP headers contain crucial information about your website's security policies, caching strategies, server configuration, and performance settings. Checking headers helps you identify security vulnerabilities, optimize performance, and understand how your server responds to requests.

This tool checks all HTTP response headers including: security headers (HSTS, CSP, X-Frame-Options), performance headers (Cache-Control, ETag), CORS headers, server information, content type headers, and more. It provides a comprehensive view of all headers sent by your server.

Yes. The tool is completely free for everyone to use.

No. The tool only analyzes and displays the headers. You need to configure your server, web application, or hosting provider to add or modify headers based on the recommendations provided.

Yes. You can analyze HTTP headers for any publicly accessible website by entering its URL or domain name.

This HTTP Header Checker analyzes all HTTP headers (security, performance, caching, server info, etc.), while a Security Header Checker focuses specifically on security headers. For detailed security header analysis, you can also use our Security Header Checker tool.

You can export the header data as JSON or CSV, view detailed analysis, and use the recommendations to configure your server. The tool also provides links to specialized checkers like the HSTS Checker and CSP Checker for deeper analysis of specific headers.