I don't know if it's your site but I'll comment on it in here anyway. The article is nice but it says one thing and does another, for example point one, it encourages you to use CSS but then when I look at the CSS file, it has 16 different classes(with undescriptive names as well) that deal with fonts and most of them could be dropped in favour of generic font style assigning. Points two and three are good, while I would personally add to point three that exact opposites in contrast aren't always the best either. Don't get me wrong, you do want to keep the contrast high, but not so high that it melts your eyes after prolonged reading sessions. Point four, there is no line-spacing, there's line-height, and the webpage itself doesn't have one set either as an example. And point five shows exactly of how NOT to follow point 5, starts talking about breaking up paragraphs and then continues on with spelling and then general comments. Overall good effort, but needs to be updated.