Has anyone else experienced that when you use Safari then once in a while the progress bar seem to pause for several seconds (sometimes longer) when accessing a website. It does not seem to have anything to do with the connection itself, because when you load another page (in a new tab) it will load just fine. Sometimes all you need to do is to reload and the website will be loaded. This happens on both my MacBook Air 2012 and my iMac 2011 running 10.8.2 and latest build of Safari.