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Really just looking for honest answers from fellow users for this one.

How often do you get CAPTCHAs, and what were you doing when it appeared?

Some future scripts I'm working on may attempt actions that could at times require a CAPTCHA, which would throw a big wrench into the gears. I'm just trying to figure out when I can expect to see them, and when I can expect to avoid them.

I myself have only had to answer a CAPTCHA once, and it was on my first post ever.

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1 Answer 1

up vote 31 down vote accepted

To trigger CAPTCHA while editing, asking, or answering:

  • The minimum window is 5 seconds
  • The maximum window is 40 minutes

There is a maximum of:

  • one edit every 30 seconds
  • one answer every 60 seconds
  • one question every 60 seconds

To trigger CAPTCHA while doing performing other actions, there are throttles of various sizes depending on the action -- it's mostly a "slow down" speed bump to inhibit potentially dangerous "I'm going to post obscene things as fast as possible!" situations.

edit: some new reductions in CAPTCHA throttle thresholds, if you have > 10k rep:

  • for edits -- reduced by two-thirds
  • for post submission times -- min seconds reduced by one half, max minutes increased by x2

edit: assuming you are a logged in user and have >= 200 reputation: after successfully completing one captcha, we now suppress captcha for 5 minutes on your account.

edit: the maximum window for submitting a post or edit has been removed.

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Thanks for the exact answer –  Ian Elliott Jul 3 '09 at 23:50
2  
Interesting... so I could post around 1400 questions a day? –  DisgruntledGoat Nov 17 '09 at 19:58
1  
@DisgruntledGoat :D Actually, as far as I know, there is a 50 question per 30 day limit. You could try though... –  CoffeeRain Mar 26 '12 at 19:44
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I assume the 10k check is only on that one site, not network wide? I seem to hit the Captcha a lot on new sites. –  Ben Brocka May 18 '12 at 23:38

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