If you have a personal website, you’re like 70% there from hosting your own blog on it; no need to use Medium or other platforms that are opting out of their original objectives. Especially if you’re looking to own your data in 2019. There’s things like commentpara.de to handle Webmentions from anyone, webmention.io to pull in those comments and reactions and brid.gy so you can get feedback from silos like Twitter!