I know new sites are in Public Beta for at least 90 days to reach critical mass (says so here).

Are there any statistics on how long public beta phases have lasted (for the sites that have gone through it already) before they either launched or got scrapped?

The Workplace just passed 90 days, and is looking pretty good (except for question volume), so I was curious about statistics in this area.

  • 1
    Way over 90 days. Probably more like 360 days, counting only the more recent graduations. Maybe more like 500
    – Ben Brocka
    Jul 11, 2012 at 13:10
  • 3
    Sites move out of beta? Since when? Jul 11, 2012 at 14:33
  • 291 days? Give or take a few given any site which no longer exists isn't included in the calculation, and other various minor allowances.
    – Tim Stone
    Jul 11, 2012 at 21:41
  • Related (some stats in an answer, which quotes from a comment): meta.stackexchange.com/q/239464/162102 Sep 13, 2017 at 19:37

1 Answer 1


The 90 days limit is not a maximum limit, not anymore (it used to be, I think). Right now it's a minimum limit. In other words a Public Beta will last at least for 90 days and after that... it depends.

In alphabetical order (Days up to today in Public beta):

So, how does it work? As long as there is progress, the site will stay in Beta (and eventually graduate). As stated in the blog post When a Site Grows Quiet:

How long can a site stay in beta?

The simple answer is, it takes as long as it takes. We’ll wait. If a site needs more activity, go out and evangelize it. As long as your site shows steady progress and continues to make the Internet a better place to get expert answers to your questions, it will march on.

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