Pimpwalkin' Mateo Johnson said:xxashxx, you're missing the point. It's not that it makes the computer run slower.
It does, however, make some computers run very slowly. Too many scans on one page causes a lot of problems for people on dial-up. Sometimes, I have problems with these even on a T3 connection due to a router having a bad day.
This is the main reason that scans should be outlawed.