Another example @bob_calder may appreciate: He's generally interacted with me via Google+ which is shutting down, but I've kept a copy of everything I've posted there (and his and others' replies and reactions) on my own site.
https://boffosocko.com/2016/04/24/some-light-poolside-reading/#comment-30353

Incidentally one of his "likes" from Google+ was one of the first 200 comments/reactions on my website back in 2014.