Simon Willison’s Weblog

Dissecting the Google Firefox Toolbar

Google have finally released a Firefox version of the Google Toolbar, with some nice praise for XUL in to the bargain. Of course, the most interesting part of the toolbar from a geeky point of view is the bit that queries Google’s servers for PageRank. Sure enough, if you download the google-toolbar.xpi file, unzip it, then unzip the google-toolbar.jar file within there’s a file called pagerank.js with all of the juicy details.