I'm sure your account wouldn't run slowly loading etc if you've been posting certain things or having disagreements on the board
Moderators etc on here have nothing to do with that at all. They can simply block or ban people etc but causing someone's account to run slowly as punishment would be the first I've heard! Haha
Be careful with browser viruses, recommend having the appropriate antivirus in place to block such things as adware/spyware/malware or browser viruses which redirect your search through their own software leading to more rubbish clogging your browser up if you use it unnoticed.
With ads in general, whatever you see initially, reflects on your browsing habits in general and is not the responsibility of the owner/moderators on this board. For example, if you were googling insurance or stuff like property or job search websites, adverts would show links to such sites as you use boards such as this. It's how they work normally until you pick up something nasty that you need to remove, what you see can become quite unpleasant, but it has nothing to do with the folk who run this board with what content is shown in advertisements.
The ads can look more 'dodgy' in nature if you are using a browser harmed with such viruses as adware picked up from other sites.
Any advertising you see on a web page/msg board/anything such as this are just regular ones you would see anywhere else if you are using a healthy computer with no virus issues or viruses that have harmed your browsing software.
Give your computer a clean-up with whatever software you have installed. CC Cleaner is a free one that can be downloaded that can pick up stuff other free anti-virus software will miss if you are using those which are common on most home desktop/laptop computers. Once cleaned up it should pick up the PUP viruses etc that are commonly the issue, quarantine them and from then on just be careful with what sites you visit as you can pick up all sorts of rubbish these days even on websites that look seemingly friendly at first.
If I was visiting porn websites 24/7 I'm sure I'd see nothing on these message boards/newspaper sites etc but adverts packed with all kinds of minging images or foursomes and the lot but I make sure I have the right tools in place to keep my software safe
But yeah, I can assure you, your account is running slow as any kind of punishment!