I use bookmark keywords all day. Type "jira" in the address bar, hit enter, and you're on the board. Firefox gives a keyword the top "Visit" suggestion in the URL bar, so it's faster than any search or history match, and it syncs to every machine you're signed in on.
Source: [Dev.to](https://dev.to/hrolgar/setting-firefox-bookmark-keywords-from-an-extension-without-an-api-for-it-4m43)