How do I see the requests made by the extensions running in Chrome in the background on a particular website?
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Extensions can initiate requests from content scripts and the background page. For content scripts, just open the devtools for a specific page. To get the devtools for the background page, [see this picture](http://stackoverflow.com/a/10258029/938089?where-to-read-console-messages-from-background-js-in-a-chrome-extension). – Rob W May 27 '13 at 21:18
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You can do that for extensions you are developing by looking at your extension / app background page (right click on the extension -> manage extensions -> inspect views under your extension).
Then open the debug panel (Ctrl+Shift+J) when looking at the background page of your extension (only debug extensions), you'll be able to see the network traffic for it.

Matheus Lacerda
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Dory Zidon
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I am not developing any extension. Have to do it for some other extension from the web-store. – user1471283 May 27 '13 at 16:16
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It doesn't detect my network interface. Seems the problem is something related to Wireshark supporting only PPP connections. – user1471283 May 27 '13 at 17:04
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not sure, fiddler is a good tool too..can you give points to both answers? – Dory Zidon May 27 '13 at 17:09
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1@user1471283 The method described in this answer will work even if it isn't your extension. Just make sure you check the developer mode box. – BeardFist May 27 '13 at 17:24
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@user1471283 Ok, wasn't sure about that. Fiddler should do the trick then. – Drahcir May 27 '13 at 16:16
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