The weekend peaks have gradually shifted from Firefox to Chrome. Opera and Safari also have it to a lesser extent, but Firefox has completely lost the pattern.

The weekend peaks have gradually shifted from Firefox to Chrome. Opera and Safari also have it to a lesser extent, but Firefox has completely lost the pattern. See http://gs.statcounter.com/#browser-ww-daily-20080701-20120530 http://gs.statcounter.com/#browser-ww-daily-20080701-2012053.... What I find puzzling is the stable amplitude of the weekend shift (~5%) despite IE's lost of popularity. Note also that Firefox is once again growing (slower than Chrome, but still).