Serial down votes can be automatically detected, so all serial down votes are reverted.

But say that user A gives a down vote to user B, and after 30 seconds user B takes the last recent answer of user A, and down votes it, is that allowed by rules? And can it be detected?

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    Yup, it's allowed. It stinks, but happens occasionally. Just ignore it, all the downvoter did what admit they are childish and petty
    – Pekka
    Commented Feb 1, 2013 at 20:06
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    If they admit that they're voting for revenge in a comment, and specifically state that they downvoted your post only because they think you downvoted them, then consider flagging. If no such comment exists, there is no way to prove their motive, and thus nothing can be done.
    – Servy
    Commented Feb 1, 2013 at 20:12
  • "Ramy, just to let u know: It want me, who down voted you. it would be nice if you finally would stop voting down random post written by me." Is that considered an admission? I down voted some answer of this user because they were bad, but he seems to do that for revenge.Shall I report that? Commented Feb 7, 2013 at 12:56

2 Answers 2


Is it allowed? Depends on what you mean by "allowed".

Will it be detected? No, so it's allowed.

Is it douchey and counter to what a vote should be used for? Yes, so it isn't.

You decide.


How can you prove that it is for "revenge"? No computer can detect that. And from your perspective, how do you know it is user B and not user C or G or P...?

  • 1
    Maybe the fact that it has come after 30 seconds, even though it's not 100% sure. I'll ignore it thanks. Commented Feb 1, 2013 at 20:11
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    @RamyAlZuhouri This website receives a lot of traffic in 30 seconds. Commented Feb 1, 2013 at 20:13
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    @RamyAlZuhouri Here's a very common use case: 1) Someone downvotes my answer and leaves a comment explaining why 2) I read their comment, know it to be an incorrect criticism, and explain why the answer is right in comments. 3) I read their answer, since they brought me back to the question and I'm curious. 4) I see that their answer is wrong, for the reason(s) I've already explained in the comment to my post. 5) I downvote their answer, since it's wrong. -- There's no way to tell the difference between this and a revenge downvote.
    – Servy
    Commented Feb 1, 2013 at 20:14
  • If you suspect someone specific, you can detect it by going to their profile and looking for the -1 they just sustained. It could be coincidence, but... Commented Feb 1, 2013 at 23:29
  • @ire_and_curses It doesn't show other users the -1 from downvoting answers. Commented Feb 2, 2013 at 2:17

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