Add your personality - If you are writing on a particular topic, there are a number of people who will be writing on the same topic. So you need to add that specialty to your blog to make it look different and to allow your readers to take away something that the others are not offering.
Given that your blog has great content, it should also be presented in an organized way. Link within, smart layer are some must have widgets for the same.
Images allure readers, visually appealing blogs have a better say always.