2021-05-04 UTC
# 
@ChrisAldrich ↩️ Try any platform (social or otherwise) that will let you add a public link to the webpage you're responding to, then use a service for sending them manually. Tumblr, WordPress, etc. should work, though may not be pretty.
https://indieweb.org/Webmention#Manual_Webmentions (twitter.com/_/status/1389670903190065160)