The one feature that's missing from browser bookmarks in my opinion is aliases. If I could bookmark a page, and then assign it an alias like "hn" so I could just type "hn" in to the address bar to go to that bookmarked page, that would be so helpful. It's possible to do this in Chrome by abusing the site search feature (add a new site search, give it a name, use a URL but don't put a %s search query in it... now it's an alias[1]), and there are plugins[2], but it could be so much better if it was a proper browser-level feature.
[1] https://speedtestdemon.com/productivity-hack-chrome-aliases-...
[2] https://chrome.google.com/webstore/detail/alias-bookmarks/og...