>So now I will typically instead paste the URL into an organized series of text file notes on various subjects, sometimes including a short summary of what interested me, a quote, or both.

This has been my way of doing it for some years. Usually end up writing a blog-ish sort of shorthand in sublime text with some thoughts and perspective to prime my later self on what I was thinking and why it caught my attention. Usually leave a few hanging questions for followup as well.