I like using the favorite tags feature on Travel.SE, but I suspect there's some tags that I like but I haven't added yet. For example, as of today, I frequently ask about "local-customs", but don't have it as a favorite tag, and likewise for "hot-springs" and "kansai" (a region in Japan, which I do have as a favorite tag).
Approaches I can think of, and why there's problems with them:
- If I see an interesting question, and it isn't highlighted as having a favorite tag, and it has a tag that's interesting to me, add it as a favorite tag: one problem is that I partially use the highlighting of questions to find questions that are interesting to me, rather than looking at all of the questions. There's a lot of visa questions on there which I find boring.
- Look at my tags page: there's no indication of which tags have already been categorized as favorite or not. So for each tag on that page, I have to then scan my existing favorite tags to see if it's included. Also, some of the tags are just based on a single answer that got a lot of reputation, such as "i94" having this answer.
- Look at questions I've asked, and see which ones aren't highlighted: there's no highlighting of a list of questions I've asked (or here)