This WordPress plugin provides a simple feed, you can follow using twtxt
nothing more... nothing less...
twtxt is a decentralised, minimalist microblogging service for hackers.
More infos about twtxt here https://github.com/buckket/twtxt
Example
Run this to follow me in the app:
twtxt follow pfefferle https://notiz.blog/author/matthias-pfefferle/feed/twtxt
...or my blog:
twtxt follow notizblog https://notiz.blog/feed/twtxt