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This tab will display all the http requests between IE and the web server. The requests are grouped by page, with special icons for AJAX requests and time/cache information for each request.

The request entry color in the tree has the following meaning :

• Black entries : Normal requests. IE sent a request to the web server and server headers and data from the server were sent
• colored entries : 304 not modified requests. Ie sent a request to the web server which sent back only headers with "Not Modified" info (no data)
• gray entries : Cached requests. No request has been made by IE. The data is retrieved directly from IE cache.

By selecting a request in the requests tree, data corresponding to the selected button will be displayed :

• Headers : Display headers sent and received by IE, as well as POST data if the request is from an HTML form.
• Content : When the data is text, it will display source code (html, javascript, css, xml, etc...)
• Timing : Gives info about request time, connection time, dns resolution time
• Info & Cache : Gives info about request size and cache info

Icon legend

• : Parsing Post Data (before sending the request)
• : Connecting to the server
• : Waiting and downloading data from server
• : Redirect request (301)
• : HTML document received
• : Javascript document received
• : CSS document received
• : Flash document received
• : Image received
• : Video received
• : Plain text document received
• : Unknown document type received
• : Request with errors
• : Unauthorized request returned by server (401)
• : AJAX request
• : AJAX request with errors
• : XML document received
• : XSL document received

Limitations

• When IE7Pro or Google Gears Helper are installed, the HTTP(S) tab may not work anymore. This is due to a conflict between those add-on. They are using the same API to hook the headers and overwrite each-other.