Post Ideas: At times you will just run out of ideas for post not sure what to do. use google and apps like Evernote to note down all that ticks in your mind. Something will surely turn into a new post.
Write something useful for your readers. Share a relevant piece of information, an event update or a hack that makes a task simpler
Presentation is as important as good content, Have attractive pictures, fonts etc. on your blog to hook the reader.