intend to warn users when they use certain tags.

Is there any data on how effective those tag warnings are? A/B studies, before/after studies, or otherwise; do they have a significant impact on user behaviour?

An example use I noticed on German Language Stack Exchange:

Screenshot of a tag warning
Example from German Language SE

They seem to be used very little (I only became aware of them after 8 years and 243k rep on the network), so I suspect there may not be much data on their effectiveness. Or maybe I happen to not try tags that have tag warnings attached to them ☺.

  • I guess they are quite seen in Stack Overflow, while in other sites are not put in place. From your profile I see you are active in other sites, so that may be the reason why you weren't aware of them so far. Commented Nov 22, 2019 at 10:45
  • 2
    What do you consider to be "effective"?
    – rene
    Commented Nov 22, 2019 at 11:08
  • 1
    I'm quite surprised that you ask for moderators to be able to generate tag-warnings and then ask if these are even effective or not.
    – Tom
    Commented Nov 22, 2019 at 11:28
  • 1
    On Sports.SE they made autograph ID questions off-topic a little while ago, but kept the tag for legacy purposes, with a big caps-lock message in the tag description telling people those questions are now off-topic and not to use the tag. Nobody seems to pay any attention to it. I'm willing to bet it's the same with tag warnings.
    – F1Krazy
    Commented Nov 22, 2019 at 12:12
  • @Tom We don't know if they're effective if we can't use them and try.
    – gerrit
    Commented Nov 22, 2019 at 12:29
  • So this question makes no sense right now? Or why do you ask now, when you know it can't be answered?
    – Tom
    Commented Nov 22, 2019 at 13:22
  • @Tom Maybe they're in use on other sites. Or maybe we can answer this question in the future.
    – gerrit
    Commented Nov 22, 2019 at 13:27
  • 1
    Don't get me wrong, I have no problem with these questions, I just wondered about the timing and order of them. I would have expected you ask first if they are efficient and after getting proof ask to broaden their usage, but no big deal.
    – Tom
    Commented Nov 22, 2019 at 13:34


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