Great tips from B.L. Ochman. My favorites:

“Write like it counts.
“No matter what your audience size, you ought to write as if your
readership consisted of paid subscribers whose subscriptions were
perpetually about to expire. There’s no need to pander. Compel them to
re-subscribe.” said Dennis Mahoney on A List Apart.

White space is your friend.
It makes reading from the screen easier. Nothing is harder to read than a solid block of copy on a computer screen.”

Related post: Are you writing for the Web when you blog?