Does opening a lot of tabs in Google chrome cause a performance issue?

I have heard that each tab in a Google chrome is a separate process. So if any tab crashed it won't be affected to the whole browser. So if you open so many tabs there will be as many processes in the OS.

Is this a performance issue?

Answer

I've used Chrome as main browser on one of my PCs. I've never experienced performance problems . Actually the mechanism keeps the single tabs very responsive because one "bad" site doesn't affect the other tabs.

BTW: also Internet Explorer 8 implemented the same mechanism and future versions of Firefox will do the same.

Edit: Here is an interesting blog post written by Scott Hanselman: Microsoft IE8 and Google Chrome - Processes are the New Threads

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