One of the biggest causes of Chrome CPU usage is opening too many tabs. Each tab is treated as a separate process that is given its own processing power. As you open more of them, they can put a heavy strain on the processor, especially when theyre running demanding processes, such as streaming high definition videos and games or using web apps like video editors, photo editors, or design tools. Chrome can also use too much CPU if it loaded with heavy extensions. These are also their own...