Originally put together in 1996 and updated in 1999, the "Top Ten Mistakes" is still good advice for bloggers and Webmasters today.
Well worth the read. Here's one snippit that some bloggers should pay heed to:
"It is as hard as ever to read scrolling text, but aggressive use of distracting animation now causes even more problems than in 1996: users have started equating such designs with advertising which they routinely ignore."