https://www.w3.org/TR/websub/
WebSub
WebSub provides a common mechanism for communication between publishers of any kind of Web content and their subscribers, based on HTTP web hooks. Subscription...
websub
https://websub.rocks/
WebSub Rocks!
websubrocks
https://indieweb.org/PuSH
WebSub - IndieWeb
WebSub is an open standard (W3C Recommendation) notification-based protocol for web publishing and subscribing to streams and legacy feed files in real time,...
websubindieweb