A lot of the suggestions here are selfhosted. Mine are not.

The simplest is to use your browser Bookmarks/Reading List [1] feature. The best next free popular mobile/ereader friendly option is https://getpocket.com/en/

If you want to investigate more, here is some search keywords and my best app for each :

- "Bookmark manager" -> (free online) http://raindrop.io/

- "Read it later" -> (paid online) https://readwise.io/read

- "Reference manager" -> (free local) https://www.zotero.org/

[1] https://support.google.com/chrome/answer/7343019?hl=en&co=GE...