Indeed. In fact, IE10 and IE11 show mild weekend/Sunday dips, but IE7/IE8/IE9 show severe dips, and Chrome and Firefox noticeable Sunday dips, too. Since these

Indeed. In fact, IE10 and IE11 show mild weekend/Sunday dips, but IE7/IE8/IE9 show severe dips, and Chrome and Firefox noticeable Sunday dips, too. Since these are percentages, someone must be surging on weekends/Sundays... and that does appear to be the case for Safari and Opera. Didn't expect that, myself.