What can it be that when you're on laptop or smartphone at survey websites is the laptop and the smartphone gets so hot?

What can it be that when you're on laptop or smartphone at survey websites is the laptop and the smartphone gets so hot?

Bad cooling? The pages may be overloaded because of advertising, so the hardware does not come along?

What percentage of your processor is busy during this time?

How can you see it?

Is it better not to answer surveys on these websites?

In the task manager

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