According to http://stackexchange.com/sites there are 10931 (by now) questions on travel, but according to https://travel.stackexchange.com/questions there are only 10915. Why there is a difference and what is the real number of questions on that site?

The question is about Travel.SE but I assume it's also valid for all other Stackexchange sites.

Some hours later the global list shows 10936 questions and Travel.SE shows 10919 questions, so it cannot be just a cache issue.

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    IIRC SE itself isn't as up-to-date in stats as the sites themselves. The question is, why are the questions lesser on Travel.SE than the last few hours/day? – Marshmallow Apr 9 '15 at 9:16
  • @MARamezani deleted questions - e.g. off topic, spam. 16-17 of those per several hours is quite possible. – ShaWiz Apr 9 '15 at 15:30
  • @ShadowWizard Yup, but didn't wanna make assumptions. – Marshmallow Apr 9 '15 at 15:46
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    It's always caching – Travis J Apr 9 '15 at 15:51

This is the same for Meta SE here. The site list shows 71,036 questions, while the question page shows 71,037. It seems your question didn't get though yet.

I blame the cache.

  • first of all the difference for Travel is much bigger (16 questions - it's around the number of questions asked by day) and the qustion page shows more questions than travel.se – Dirty-flow Apr 9 '15 at 9:05
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    @Dirty-flow: Probably deleted questions, which don't get included in the count. – Patrick Hofman Apr 9 '15 at 9:06
  • We have way more than 16 deleted questions on travel....but fewer than that get deleted per day... – Mark Mayo Apr 9 '15 at 10:32
  • @MarkMayo: I indeed meant that was today only (or at least since the last update). Are you sure less are deleted per day? It doesn't seem an awful lot. – Patrick Hofman Apr 9 '15 at 10:34
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    On travel.SE? Fairly sure, I've been there since the beginning, and we only get 15-16 questions a day as it is. Although it's just occurred to me that closed questions getting cycled out would be included, that may account for it to some extent... – Mark Mayo Apr 9 '15 at 10:42

This difference between the global Stack Exchange sites' list and the singular counts in each site is probably caused by the different frequency of update: on a single site (e.g. Travel.SE) the accuracy of the questions/answers count is more important than in the global chart, where these numbers only give you an overview. Therefore the global site list is updated less frequently than the single lists in each site, which need to be updated in real time, causing inconsistent counts.

I.E. the "global" sites' list update may show more or less questions depending on the number of deleted/created questions in a certain update interval.

  • yeah, but the global site list shows more questions and not less. – Dirty-flow Apr 9 '15 at 12:56
  • @Dirty-flow that's because many questions are often closed/removed after the global update. The global update may show more or less questions depending on the number of deleted/created questions in a certain update interval. – Marco Bonelli Apr 9 '15 at 12:59
  • that cannot be the (only) reason - the count of both is updated but there is still a difference (10936 to 10919) – Dirty-flow Apr 9 '15 at 13:01

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