Top 12 HttpWatch Alternatives

Fiddler is a debugging program for websites.

Download HttpFox for Firefox. An HTTP analyzer addon for Firefox

HTTP proxy / HTTP monitor / Reverse Proxy

Get started with Google Chrome's built-in web developer tools.

HTTP Debugger Pro - A Professional HTTP Sniffer and Analyzer for Developers

Examine, edit, and debug HTML, CSS, and JavaScript on the desktop and on mobile.

The goal of this project is to adds information about the HTTP headers in three ways:

Official YSlow Open Source Project Website. YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages.

Displays the HTTP header. Edit it and send it.

Graphical Http Client is a utility to help you test and interact with REST-based web services.

NetworkMiner is a Network Forensic Analysis Tool (NFAT) for Windows.

HTTP header tool that provides a detailed report of a websites HTTP header elements.