I totally understand you and it seems that a lot of users like myself were using pocket as way to sync bookmarks across devices as well.

Also, linkding offers a way to read it later by using the singlefilextension https://linkding.link/archiving/

Linkding is basically a reading list with some extra features like downloading an arching copy , notes, and tags.

I think of Wallabag and Readeck as readers since they render the page in “app” , keep track of your reading progress, and in some cases let you highlight text