Safari 16.1 on MacBook Pro 2014

Hey, I have a problem.
When I open Safari on my Macbook on go for example on YouTube after a while the fans will kick in (not as usually). I opened activity monitor and saw that Safari (Cache) was pretty high up.

Does anyone have any ideas what i can do there?

You'll probably have better luck posting this questions on an Apple forum or contacting Apple support. Here are a few potential leads:

https://discussions.apple.com/thread/251398261

https://developer.apple.com/forums/thread/654566

Thank you!