Here is a good article on blogging from a veteran blogger of multiple blogs. I can’t say I follow all its advice–as I don’t (yet)–but I see the logic behind it, especially for those who want to increase their readership. I recently began reading the author’s writing blog and appreciate his advice as well as the interesting and informative guest columnists’.
http://www.writersdigest.com/online-editor/the-12-dos-and-donts-of-writing-a-blog