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.
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.
Optimize your WordPress to load quickly. The loading speed of your website directly affects visits and conversions on your website.