For questions of extremely low quality that are sure to get closed anyway, do the moderators still want flags? Or is that just cluttering up their mailboxes to no purpose?

  • $\begingroup$ Assuming that by questions of "extremely low quality" you mean such which cannot be posted in good faith (like advertisements, crank posts, links to malware sites, pure nonsense character sequences), spam flags are the most efficient way to achieve quick deletion. $\endgroup$
    – Stefan Kohl Mod
    Commented Jun 6, 2017 at 23:16
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    $\begingroup$ Could you be more specific about what kind of flag you have in mind? IIRC if a user with 3k+ reputation flags the question for closing then actually no flag is generated and the flag is converted to vote to close. You can test it simply by checking that after such flag you will not see new flag in your flagging history, but you will see a new close vote in the votes tab in your profile. I can try to find a more official source for this if needed, at the moment I have this answer. $\endgroup$ Commented Jun 7, 2017 at 6:41
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    $\begingroup$ As a side note, it might be useful to add the tag (flagging) to your question - it could make easier to future users with the same question to find this discussion. Probably als (vote-to-close) might ba a suitable tag. $\endgroup$ Commented Jun 7, 2017 at 6:42
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    $\begingroup$ @StefanKohl I think pure nonsense character sequences should not be flagged as spam. Spam flags are also used as an input for improving algorithms to detect spam posts automatically, so it's good to use them only for posts wich actually are spam. As far as deletion of the post and penalty for users go, rude or abusive works the same as spam flag, but data from these flags are not used for detecting spam posts. For more details, see quid's and arjafi's answers here: Should gibberish posts be flagged as abusive or just downvoted and deleted? $\endgroup$ Commented Jun 7, 2017 at 7:06
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    $\begingroup$ @MartinSleziak: Ah. I think you've answered my question. I was thinking specifically about questions of very low quality, which I vote to close and then sometimes also flag as "very low quality". If I understand you correctly, those flags are disappearing into the ether, because I've already voted to close. And in that case, of course, there's no point in flagging. $\endgroup$ Commented Jun 7, 2017 at 15:20
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    $\begingroup$ @StevenLandsburg Actually, I thought the your were asking about should be closed flags, not VLQ flags. So they actually do not disappear. But since they are handled in the review queue and not by the mods, this does not create additional workload for moderators. I tried to explain some details in the answer. (Although I have to admit I do not know that much about flagging-related stuff, which seems to have various minor nuances.) $\endgroup$ Commented Jun 7, 2017 at 19:14

2 Answers 2


Speaking as a pretty active moderator: the amount of this type of flag raising that I see hasn't been a problem, not for me. In some ways I think it helps, to see how others are gauging the quality of questions. Please carry on as you have been.


It seems that we are mostly talking here about close flags and very low quality flags - since these are the two types of flags which seem reasonable in the case of low quality questions (whichever interpretation of the phrase low quality you choose.)

Since the OPs main concern seems to be whether the flag adds work for moderators, it is worth mentioning that these types of flags in the ideal scenario are actually not handled by mods but by other members of the community. The help on flags explicitly says: "Many flags are handled by other members of the site like yourself, who've earned review privileges. Close flags, Not an Answer, and Very Low Quality are primarily handled this way."

And even the flags which are handled by moderators do not get to their mailboxes, but I assume you were talking figuratively in the question.

When you flag a post as low quality or should be closed, it enters a review queue where other users vote what happens with the post next.

Low quality flag sends a question into the low quality posts review queue. For questions which enter this review queue, 2k+ users can choose from the option Looks OK, Edit, Close (or Recommend Close). For answers the last option is Delete (or Recommend Deletion) instead.

If you choose should be closed flag, the question enters the close votes review queue. In this review queue, 3k+ users can choose between the options Edit, Leave Open, Close. (As already mentioned in the comment, for users with privilege to cast close votes, there is no actual difference between this type of flag and casting a close vote. A flag is automatically converted to a close vote. However, a close vote pushes the question into the review queue, too.)

Since the OP asks also how much work flags add to reviewers (or moderators) I will add that you can get at least some idea from the review history (available to users with sufficient reputation) or from today's stats (which are shown to all users). Here is a link to review history and review stats for close votes review. And here is review history and review stats for low quality posts review.

For the benefit of users who (like me) do not have access to the review history, I will list here the most recent low quality posts and close votes reviews. I hope I did not miss some of them. I covered at least the last 24 hours. (I checked reviews with ids starting with 82871 until now. The most recent one I found was 82950.) It is perhaps not very surprising that in the period I checked I found much more close votes reviews than low quality posts reviews.

If you haven't sufficient reputation to look at the review history, you could use SEDE, too. But keep in mind that the data in SEDE is only updated once a week. Here is a query listing all reviews. And you here is a query where you can restrict to some specific types of reviews by changing the parameters.

From SEDE you can also see how the number of reviews changes over time: low quality posts, close votes, reopen votes, suggested edits.

For details on when a review of a post is finished, see here: When is a review task "completed" or "invalidated"? A question is removed both from the close votes review queue and from the low quality posts review queue immediately after it is closed (or deleted).

Some network-wide guidelines on what posts should be flagged as VLQ can be found here: When to use the flag “low quality”? The official description of the low quality flag is: "This question/answer has severe formatting or content problems. This question/answer is unlikely to be salvageable through editing, and might need to be removed."

I will add that for posts which are bad enough to consider a low quality flag, users with sufficient reputation might also consider voting to delete. (The reputation needed is 10k for questions and 20k for answers.) Posts which meet some criteria are automatically deleted by a system after a certain time, but sometimes it makes sense to vote to delete manually. In fact, there already have been some related discussions on this meta: Proposal to more aggressively delete off-topic questions or Should we try to re-start manual deletions or is the situation fine anyway? Still, I think that it might be useful to leave some time so that the feedback on why the post was closed actually reaches the OP.

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    $\begingroup$ Thanks. I was in fact asking about VLQ flags. So the question should have been: For posts that are sufficiently low quality that they're likely to be closed in a hurry in any event, would other users prefer that I flag them as VLQ, or does that just clutter up the review queue? $\endgroup$ Commented Jun 7, 2017 at 21:25
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    $\begingroup$ @StevenLandsburg If the question is changed like this, probably input from the users who are most active in reviewing would be a good thing. I've added some links to my post and read a bit more about review mechanisms. To me it seems that this does not add too much work to reviewers - as soon as the question is closed, it is removed from the review queue. Anyway, if your question has changed, perhaps it would make sense to edit the original post. (Other users are more likely to notice the change there rather than here in a comment.) $\endgroup$ Commented Jun 8, 2017 at 4:21
  • $\begingroup$ It is a separate question when a question should be flagged as low quality - when I read the guidelines above, it seems that this flag is for questions which are almost unreadable, not as an addition to every close vote. But this is probably for a longer discussion. $\endgroup$ Commented Jun 8, 2017 at 4:21

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