First it was adsense which was blocked by firewalls and slows down accessing the forum.
Now it is ads.clicksor.com (the banner advertisement), IP 66.48.78.209, blocked by the firewall and which makes browsing the forum almost a pain in the a...
Most simple firewalls will not block this, so no problem, but some better firewalls DO block it, because it sends ICMP packages to ip 66.48.78.209, and it takes around 20 seconds for the forum page to appear. Anything to do about it (dont reply to tell me to allow ICMP traffic...)?