If a blog post is written and no one reads it, does it really exist? Rather than ask philosophical questions like this, just ensure people are reading your blog posts! There are a variety of easy ways this can be done, from social media to email.
The people at Launch Grow Joy assembled a number of promotion ideas into a an easy-to-review infographic:
Source: https://launchgrowjoy.com/30-ways-to-promote-your-blog-posts/