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.
The more you share your posts on social media & the more you engage & entertain your readers, the quicker your readership will grow.
People come to your blog out of choice and not any compulsion. If you remember this, the rest is not important enough.