I thing chaosmachine was right when he said it is partly because of increasingly dynamic web content. When pages were (mostly) static you could have 100 tabs o

I thing chaosmachine was right when he said it is partly because of increasingly dynamic web content. When pages were (mostly) static you could have 100 tabs on a slow machine and it wouldn't matter because they were mostly in the swap file. The more pages try and become active without a mechanism for the browser to "pause" them the bigger the problem lots of tabs becomes.