Why Google Chrome eat a lot CPU?

Why my Google Chrome eat a lot CPU in win8? it is about 50%. After restarted it, it was reduced. but after a while, it is up again. Any one can give some suggestion? Thank you
eemoonAsked:
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JohnBusiness Consultant (Owner)Commented:
How many tabs do you have open ? Tabs use memory but should not use much extra CPU.

Shut down, start up, open Chrome, and keep only one tab open.

Wait 10 minutes . What is CPU usage!
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Jackie ManIT ManagerCommented:
If you have installed many extensions in Chrome like me, it will eat a lot of RAM for sure but it has not much impact unless you have only 2GB RAM.
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Ashok DewanFreelancerCommented:
Open chrome and then press shift + esc button then chrome's task manager will open then you can check which extension is using CPU.
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eemoonAuthor Commented:
thank you
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JohnBusiness Consultant (Owner)Commented:
You are very welcome and I was happy to help
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