Unfortunately, I don't think blogging improves this skill unless you get someone good at writing to review every post you make. I read (or rather, try to read)

Unfortunately, I don't think blogging improves this skill unless you get someone good at writing to review every post you make. I read (or rather, try to read) plenty of poor technical writing linked on HN and Lobsters every week. Because a lot of people blog as a form of self-documentation and to improve their "personal brand" activity, people rarely give or listen to writing criticism.