Oh wow. This reply came at a great time as I've been at the beginning stages of grappling with the benefits of having a publicly available personal blog. I've always had starts and fits but never really gave it the time of day it deserved.
I think I'll want to commit to it at this point. Best way I can think of achieving that (via Atomic Habits) is just to commit to writing the same time of day, everyday. Never even thought of the whole "It could help your employment prospects" angle.
I try to make something for my blog every week. This week is a dry week for the blog because I was working on my RustConf talk! I have an unused version of the talk that I'm probably gonna adapt into a blogpost. Keep an eye out :)