Series of articles - Create a series of articles on your blog if the subject you choose to talk about is an extensive one.

Picture talk: Use of images attracts more eyeballs. It is humanitarian. Even if it is a data centric post or a theoretical one, have an image that speaks significantly for your post.

Include data in blog posts. It makes the post more interesting and informative to read. It makes people stay longer on your pages and even share your content.