Use technology - Social plugins and SEO tools are a great thing to market your blog or a blog post. If you do not know about it, then learn it. It helps you reach out your audience in a better way and also improves the ranking of your blog.
Originality - Focus more on the originality of content and on a consistent basis. It is a habit you will need to cultivate.
For Business Blogs, include product messages in your blog posts clubbed with engaging content .This increases your social shares.