Questions tagged [tag-pruning]

For questions about the automated process that removes tags which have not been widely used or no longer have questions associated with them.

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5 votes
1 answer

Why aren't tag synonyms deleted from the list of tags?

If you navigate to the last page of tags on basically any site, you'll see pages of tags with zero questions. Doing a little investigation (clicking on any of them) shows that they are all synonyms of ...
caird coinheringaahing's user avatar
8 votes
1 answer

Why are these zombie tags on Meta SE not yet deleted by the daily cleanup script?

I noticed that the tags canned-comments and impact here on Meta SE are still around even though they are not associated with any questions for (apparently) quite a long time. Based on this SEDE query, ...
user avatar
15 votes
1 answer

Single use tags are not deleted after six months if they were recreated via a rollback

The question Understanding risks of logging into Stack Exchange sites from a shared computer or network has two tags which have only been used once and have no tag excerpt or wiki: shared-devices and ...
Glorfindel's user avatar
  • 248k
12 votes
1 answer

Single-use tags with no tag wiki, but with rejected proposals for the tag wiki, aren't auto-burninated after six months

Recently, there was some confusion as to why a single-use tag without a tag wiki wasn't auto-burninated after six months. It was later discovered that as someone made a rejected proposal for the tag ...
Sonic the Anonymous Hedgehog's user avatar
10 votes
1 answer

Why wasn't this tag removed - despite having single occurrence?

From what I understood about tag pruning, tags which are used only on one question are automatically removed if they are used only on one question. This happens after the tag is 6 months old (if it ...
Martin's user avatar
  • 15.1k
27 votes
0 answers

Auto-delete orphaned tag synonyms

I recently encountered this question on MSO, where a user asks about why certain tags appear in the tag overview page. This issue is caused by a synonym that redirects users to a non-existent tag. I'...
Erik A's user avatar
  • 8,651
4 votes
0 answers

Empty tags (with no questions) are not deleted

For example in this question, it was said that empty tags are deleted after 24 hours. This seems to not be the case for tags which have a synonym or an info. Examples: works-on-my-machine calculation
Adrian Heine's user avatar
51 votes
5 answers

Do not expire single use tags on Beta sites

Tags that have exactly one question are automatically pruned after six months, leaving their questions untagged, and their wikis orphaned. This is problematic on Beta sites, where it's not uncommon ...
yannis's user avatar
  • 56.4k
6 votes
1 answer

What are the differences between tag pruning on main sites and their metas?

As I have learned from here and here, tags which have no questions are deleted once in 24 hours and tags which have been only used once are deleted after 6 months. I would like to know whether such ...
Martin's user avatar
  • 15.1k
81 votes
2 answers

Do not expire single-use tags that have a tag wiki

Single-use tags automatically expire after a few months. This is arguably the right thing when the tag is a misspelling (though I'd prefer some way of reviewing the process — but this post is not ...
Gilles 'SO- stop being evil''s user avatar
22 votes
3 answers

Please allow low-occurence tags to be declared persistent

Single-use tags are pruned after six months. Sometimes, this removes spurious tags. Sometimes, this removes legitimate tags. After a quick look on Unix SE, I see plenty of legitimate tags that are at ...
Gilles 'SO- stop being evil''s user avatar
8 votes
2 answers

Questions about to become untagged

As far as I know, any tag that is only used once every 6 months is pruned automatically. If that tag was the only one left on a question, the question becomes untagged and history of the previous tag, ...
badp's user avatar
  • 33.6k
109 votes
1 answer

How can we get rid of misspelled and unused (or "zombie") tags?

During the re-tagging of questions, tags sometimes become orphaned from existing questions. Are these zombie tags ever removed from the tags list? What if a tag is misspelled and needs to be removed?...