Keyword search: Take up a keyword search for the blog posts you are writing. Choose the ones that searched often and have less competition.
Originality - Focus more on the originality of content and on a consistent basis. It is a habit you will need to cultivate.
E-commerce bloggers must carefully write keeping their audience in mind. Everything you post on your blog will speak for your product or service. Your interaction with bloggers in comments and otherwise will give you a direction.