It could be your processor but I doubt it. It does the same thing on mine I end up having to refresh the page 5-6 times for it to actually load. If your on a laptop it's because Windows 7 and Wi-Fi just can't be on the same page because it never happened to me on Windows Vista. But that might have been cause I was right next to the actual wi-fi receiver. But that's just an idea of what it could be.
I've tried every version of browser I could find; Google Chrome, Firefox, IE, Opera, G_G's browser he posted here. All did the same thing.