It's [https://support.mozilla.org/en-US/questions/1423423 exactly like this] only adding a tag does not rectify the problem. I can add tags in the bookmarks library, but the 'tags' section does not show when I Ctrl+D. Any ideas? [https://imgur.com/a/9dKHN1w See screenshots here] I would post them publicly but I'm not allowed to post publicly on imgur anymore after getting so many downvotes for questioning the sacred firefox's memory usage. Nice group of people (eyeroll).