What adverts
No pop ups here and I dont have any software to stop them.
The most worrying thing is the lack of SSL encryption on the site ( pad lock crossed through in search bar) which means passwords are travelling across the internet unencrypted. I certainly wouldnt use the same password for this site as you use for any others.
Use Brave browser. It has a built-in ad blocker. It's also safer, more private, and faster.
It's even worse when you press reply and you have to try and see what you are writing around them