View content origin

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A nice feature to add to Ghostery would be a list of the servers that have been contacted while loading the page. This would allow you to see which companies could be tracking you by passive means, by virtue of you having loaded content.

Many web pages load content from multiple servers. Currently, browsers only display the primary source of content in the URL bar.

Just a list of origins that have been contacted. All types of request: pages, images, scripts and XmlHTTPRequest. No need to identify individual resources, the HTML5 definition of origin would probably suffice: scheme, host and port. Extra credit for linking to identity information in server certificates.