Is it allowed to ask the same question at different StackExchange sites?

  • $\begingroup$ Short answer: no! $\endgroup$
    – TanMath
    Commented Jan 2, 2016 at 16:48
  • $\begingroup$ Please also note that the Stack Exchange sites are Question and Answer sites, not forums. There is a fine but clear distinction between the two. A forum such as Reddit is mainly for discussion about answers, whereas SE Q&A sites are simply about the question and the answer(s). Limited discussion may occur in the comments, but comments are second-class citizens and may be removed at any time, for many reasons. $\endgroup$
    – MattDMo
    Commented Jan 8, 2016 at 14:58

1 Answer 1


It's permitted only in the sense that you won't get banned. But don't do it, it even if the question is on-topic on both or all sites.

See Is cross-posting a question on multiple Stack Exchange sites permitted if the question is on-topic for each site? which is part of the FAQ, so pretty official.

People who take the time to answer your question might not be happy to feel like they wasted their time answering when you have already received an answer elsewhere.

  • $\begingroup$ thanx, but what if question is not answered? For example in biology you tend to not answer, maybe I can post a question on other part, and delate original one? $\endgroup$
    – SSimon
    Commented Jan 3, 2016 at 1:34
  • $\begingroup$ @SSimon did you read the linked FAQ? That's covered in the second sentence of the answer... $\endgroup$
    – YviDe
    Commented Jan 3, 2016 at 9:28

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