Is it normal for Firefox to consume so much ram

https://imgur.com/a/bIRzBR5

Is it normal for Firefox to eat so much ram? I'm at 3gigs of ram with only 1 window open. 2 windows it was climbing to 3.700

What's a decent browser. That I can use ublock

Also as I typed it Firefox just shut itself down 🤷🏻‍♂️.