Jakob Nielsen is a respected usability expert whose research has focused on all aspects of web usability, including how people read online content. In his Alertbox column (http://www.useit.com/alertbox/), Nielsen has reported on research showing that people with low literacy “plow” through online content, reading it one line at a time. This tutorial covers some of Nielsen’s guidelines for improving the readability of online content for people with low literacy.
Chromevis is an extension for the Google Chrome web browser designed for those with low vision. It can highlight and magnify text.
Readability is an extension for Firefox and Google Chrome that removes ads and other distractions from a web page. This can help your students focus on the content, rather than on the clutter surrounding it.
Reading on a computer screen is not the same as reading on paper. Reading on a computer screen tends to be slower and more tiring on the eyes, but by paying attention to a few elements of typography you can make it easier to read your content online.