As mentioned in Fine Point #1, reading from the screen is more difficult than reading on paper. Another strategy you can use to make reading your web document easier is to shorten your paragraphs. This will help the readers' eyes from getting lost in your text. These breaks help the eye track.
A few short and easy tips can make your pages a little more user friendly.
Need an example? Look at the Task section below. The first is just one long paragraph, the second is the same sample broken down into three paragraphs. Which one would you and your students rather read (if they were in English, of course).