There is: it's called websub. https://www.w3.org/TR/websub/ https://www.w3.org/TR/websub/ Here's a service that makes it simple: https://superfeedr.com/ https:

There is: it's called websub. https://www.w3.org/TR/websub/ https://www.w3.org/TR/websub/ Here's a service that makes it simple: https://superfeedr.com/ https://superfeedr.com/