This forum need a rework. On my Macbook Pro no matter what browser I use the forum threads are aprox half way down the page. The top half is will with pictures and  I'm assuming blog post or something all in a straight line with nothing to the right or left. Not professional looking at all.

Not had that on my MacBook Air or MacBook Pro.   Have you expanded the browser to fill the screen?

Looks the same in full screen and in both Safari & Firefox, macOS BigSur 11.6

Here's a screen shot of what I'm seeing this is maybe a third of how far down it goes