I so despise pop-ups asking me to subscribe to a site’s newsletter that I’ve probably erred on the side of making it too hard to find out how to subscribe to this blog.
At the bottom of the “writing” menu is a subscribe link. You can subscribe three different ways:
Following one of my specialized twitter accounts is sort of a way to subscribe. When I write a blog post, I usually announce it in the relevant Twitter account, though these accounts post a lot more than just blog article announcements.