What is Fiddler good for?

• Fiddler is a tool for monitoring HTTP traffic that flows between programs installed on your computer and remote web servers.
• It is used for analyzing and debugging web applications and web pages

Fiddler allows you to:

• Intercept HTTP traffic (requests, respones)
• See the content of request/response
• Visualize the response
• Filter out the unnecessry data (so you can find what you are looking for and ignore the rest)
• Create and modify HTTP requests and understand how HTTP protocol works
• Troubleshoot network and connection problems in web applications
• Evaluate performance of your web application