Xfinity Website - XFinity

#1
Starting about 3 weeks (9/12/2016) the Xfinity website started making my browsers crash. I'm on a Mac. Safari, Chrome and Firefox all have issues. I am unable to get live TV streaming at all with Safari. It asks for my password over and over again. Chrome and Firefox have plugin crashes constantly. Is the website not compatible with Mac's? Any help would be great. The techs in support don't know anything.
 
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