I wonder what is the time limit of how often can one ask a question on Math Stack Exchange?

I tried to ask a new question shortly after I posted one, and the Ask Question link always referred me back to the old question.

Sincere thanks!


There are several limits on the number of questions you can ask, the hard limits are 6 questions per day and 50 questions per month.

As a new user there are some additional rate limits to prevent abuse, any user below 125 reputation can only ask a question every 20 minutes. A high reputation user can post questions pretty quickly until they hit one of the rate limits I mentioned above.

In general, everything on SE sites is rate-limited in some way to prevent abuse. Even moderators writing moderator messages or suspending users are rate-limited, and as far as I know those limits also apply to SE employees using those tools.

  • $\begingroup$ "...there are some additional rate limits to prevent abuse, those are not documented exactly as far as I know." - security through obscurity? :) $\endgroup$ Apr 22 '13 at 23:32
  • $\begingroup$ @J.M. They are actually documented now on MSO, though I'm not sure if that list is really complete. $\endgroup$
    – user9733
    Apr 23 '13 at 6:10
  • 1
    $\begingroup$ Employees not including those who maintain the database and can actually screw with you through there, though. :-) $\endgroup$
    – Asaf Karagila Mod
    Apr 23 '13 at 6:42

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