Zotero (https://zotero.org https://zotero.org) -- an open source reference manager built by academics, but it works for all kinds of web-based content. Register

Zotero (https://zotero.org https://zotero.org) -- an open source reference manager built by academics, but it works for all kinds of web-based content. Register an account and get the browser extension, then all you have to do is click a button and it'll do its best to scrape the metadata and archive a copy of the page. They also have a desktop app where you can add notes.