I was looking at Drupal statistics and surprised by how a bunch of sites just disappeared from the count. I'm assuming this is due to a change in the code, and not actually reflective of total count. But who knows!? Can anyone here offer any deeper insight?



  • Note the downward excursions on the chart which happens each year on Catholic Christmas.
    – ya.teck
    Jun 14, 2015 at 8:38

1 Answer 1


If you look back through the statistics they fluctuate quite often really.

Looking at stats for May 26th 2013 (642,589 Drupal 7 sites) or June 9th 2013 (666,573 Drupal 7 sites) I'm not actually certain it can be taken to represent sites disappearing so much as people evaluating Drupal or indeed installing and uninstalling new development snapshot instances.

It's also well worth bearing in mind that the accuracy of the statistics is not 100% and sites which don't use the update manager module don't report in at all. (It is, in some circles, common practice to disable this component once a site goes live if it's being updated in a separate development environment).

  • Thanks MJCO, that makes sense to me. But I would suspect more even variations averaged across this large sample set. I see the other sudden peaks and valleys, which begs the question. What caused those as well. Aug 12, 2013 at 18:54
  • That's true though I suppose the seemingly random variation will have a lot to do with people 'trying it out'.
    – MJCO
    Aug 12, 2013 at 20:12

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