I have tried many different solutions the last two decades, but none of of them really stuck or became useful over time. I kinda gave up and as a last ditch effort started to do the simplest thing I could think of: ctrl+D to add bookmarks in Firefox, jotting down a few keywords on each entry. No folders, no structure, just a flat list and some keywords. A few months in I noticed how powerful this simple system was. W…
I also use Firefox bookmarks. To tack onto this, you can also select multiple tabs and bookmark them all into a bookmark folder.
It's useful for grouping a set of pages that you use together, but only now and then.