Each session is marked with an icon for quick reference:
Request is being sent to the server
Response is being read from the server
Request is paused at a breakpoint
Response is paused at a breakpoint
Request used HTTP HEAD method; response should have no body
Request used HTTP POST method
Request used HTTP CONNECT method; this establishes a tunnel used for HTTPS traffic
Response was HTML
Response was an image
Response was a script
Response was Cascading Style Sheet
Response was XML
Response was JSON
Response was an audio file
Response was a video file
Response was a Silverlight applet
Response was a Flash applet
Response was a font
Generic successful response
Response was HTTP/300,301,302,303 or 307 redirect
Response was HTTP/304: Use cached version
Response was a request for client credentials
Response was a server error
Session was aborted by the client, Fiddler, or the Server.