Tags add your searchable word to the bookmark in cases the tile or url aren't enough. Tags are just one more thing you can very easily and quickly filter on too

Tags add your searchable word to the bookmark in cases the tile or url aren't enough. Tags are just one more thing you can very easily and quickly filter on too. See the footer of the Firefox autocomplete popup for some other things you can filter on like bookmarks and open tabs. Or you can use a shortcut like # to filter results to just those bookmarks tagged with your term. Type * in the address bar followed by your search term to search within your bookmarks. Type # in the address bar followed by your search term to search within your tags. Type % in the address bar followed by your search term to search within your open tabs. See https://support.mozilla.org/en-US/kb/address-bar-autocomplete-firefox#w_changing-results-on-the-fly https://support.mozilla.org/en-US/kb/address-bar-autocomplet... for the full list.