Or you can run your own website from your own computer and implement your own comment system. For my own I just have a perl script tail my nginx access.log any

Or you can run your own website from your own computer and implement your own comment system. For my own I just have a perl script tail my nginx access.log any any URL request that has a /@say/ in it is parsed as a comment. Comment systems don't have to be attack surfaces even if you run them yourself.