This press release is rather light on details. The actual paper can be found here: http://mickens.seas.harvard.edu/files/mickens/files/polaris.pdf http://micke

This press release is rather light on details. The actual paper can be found here: http://mickens.seas.harvard.edu/files/mickens/files/polaris.pdf http://mickens.seas.harvard.edu/files/mickens/files/polaris.... I haven't completely digested it, but it looks like it works by a combination of pre-calculating a dependency graph for each page, which it then tweaks during the real page load depending on current network conditions.