Professional HTTP Headers Lookup for Website Analysis

Our HTTP Headers Lookup tool provides comprehensive analysis of website HTTP response headers, essential for developers, SEO professionals, and security analysts. Examine server configurations, security policies, caching directives, and performance optimizations to understand how websites communicate with browsers and search engines.

Perfect for web developers, system administrators, SEO specialists, and security professionals who need to analyze website headers for debugging, optimization, and security assessment. The tool reveals critical information about server technology, security implementations, and content delivery configurations.

How to Use the HTTP Headers Lookup Tool

1. Enter Website URL: Input the complete URL of the website you want to analyze (including https://).
2. Lookup Headers: Click "Lookup Headers" to fetch and analyze the HTTP response headers.
3. Review Results: Examine the status code, server information, security headers, and caching directives.
4. Copy Headers: Use "Copy Headers" to save the results for documentation or further analysis.

Frequently Asked Questions About HTTP Headers Analysis

How do I check HTTP headers of a website?

Enter the website URL in the field above and click 'Lookup Headers'. Our tool will fetch and display all HTTP response headers including server information, security headers, caching directives, and content type information.

What are HTTP response headers and why are they important?

HTTP response headers are metadata sent by web servers with each response. They contain important information about the server, security policies, caching instructions, content type, and more. They're crucial for SEO, security, and performance optimization.

How can I view security headers of a website?

Our tool automatically identifies and highlights security-related headers like Content-Security-Policy, X-Frame-Options, Strict-Transport-Security, and X-Content-Type-Options. These headers help protect websites from various security threats.

What HTTP headers should I check for SEO?

Important SEO headers include Status Code, Content-Type, Content-Encoding, Cache-Control, Last-Modified, ETag, and Canonical headers. These affect how search engines crawl, index, and cache your website content.

How do I analyze server response headers?

Enter any website URL and our tool will show server headers like Server type, response status, content encoding, and performance-related headers. This helps with debugging, optimization, and understanding server configuration.