People want to learn what you do at work. Real projects, real code, with usable output. Blog posts tend to teach in an idealized, shallow way - because it's easier to write about and easier to teach.

If you, instead, put in the work to show every step, every detail, and every hack that sort of quality is extremely valuable to beginners.

So I could say, go look at the Stack Overflow developer survey, or State of X 2020 survey, or Google Trends -- and that will help, for sure. But the most valuable thing you can do is show someone what you /actually/ do at work.