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HTTP Headers Parser - Analyze Website Headers Online

The HTTP Headers Parser is a simple online tool that lets you check and analyze the headers sent by a website or server. HTTP headers carry important details such as server type, content type, caching policies, and security configurations. By parsing these headers, developers, system administrators, and security analysts can better understand how a website is configured and troubleshoot potential issues.


HTTP Headers Parser - Analyze Website Headers Online

 What is an HTTP Headers Parser?

 
An HTTP Headers Parser is a tool used to read and display header information from a website’s response. When a browser or application requests a web page, the server sends headers before delivering the actual content. These headers contain valuable technical details about the server, caching rules, content delivery, and security settings.

Why Use an HTTP Headers Parser?

There are several reasons why analyzing HTTP headers is useful:

  • Troubleshooting – Identify misconfigured headers that may cause issues with caching, redirects, or content delivery.
  • Security Checks – Verify if important headers like Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security are present.
  • Performance Optimization – Ensure caching and compression headers are properly set to improve load times.
  • Learning & Debugging – Developers can study how popular websites implement headers for security and performance.

Key Headers You Can Check

 
When you parse a website’s headers, you may find details such as:
 

  • Server Information – Technology used (Apache, Nginx, IIS, etc.).
  • Content-Type – The format of the response (HTML, JSON, text, etc.).
  • Cache-Control – Instructions for browsers on how to cache content.
  • Set-Cookie – Information about cookies set by the website.
  • Security Headers – Protection measures against attacks like XSS or clickjacking.

How to Use an HTTP Headers Parser

  1. Enter the URL of the website you want to analyze.
  2. The tool sends a request to the server.
  3. The server responds with headers.
  4. The parser displays the headers in an easy-to-read format.

This process helps you quickly review technical configurations without using command-line tools like curl or browser developer tools.

Conclusion

The HTTP Headers Parser is a practical tool for developers, website owners, and security researchers. It provides valuable insights into how a server communicates with browsers, allowing better optimization, stronger security, and smoother troubleshooting.
 

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