You'll loose points for popup banners. Missing pages on your own server will cost mega points. Unreadable pages are a big liability. Mixing more than three text colors will cost you points. Mixing four or more on one page will cost even more.
Tables look better without empty cells.
There should be spacing between jokes. Ideally all jokes will have a short title. It's an easy point. Also use the above link to check your load time. Poor use of frames will be very costly.