Its not just good content that matters, presentation of post is very important too. Have attractive pictures, fonts etc to hook the readers.
Originality - Focus more on the originality of content and on a consistent basis. It is a habit you will need to cultivate.
Avoid using SMS abbreviations in blog post and at least run the post through a spell-check in MS-Word before publishing. If the bloggers cannot take the time out to write proper English, why would the readers bother reading through that cryptic puzzle?