We have seen underreporting in recent months far beyond Wikisource.

See also https://phabricator.wikimedia.org/T106034 'Too few page views for June/July 2015'

Erik Zachte

From: analytics-bounces@lists.wikimedia.org [mailto:analytics-bounces@lists.wikimedia.org] On Behalf Of Oliver Keyes
Sent: Wednesday, July 22, 2015 19:52
To: Danny M; A mailing list for the Analytics Team at WMF and everybody who has an interest in Wikipedia and analytics.
Subject: Re: [Analytics] the data for pageviews across all languages for wikisource seems to have a bug in it

I'm unfamiliar with the projects but the usual caveats apply - those numbers are not filtered for automata.

On 20 July 2015 at 16:42, Danny M <yesod22@yahoo.com> wrote:

Over the past two months there seems to be a clear bug in Page Views for Wikisource, Normalized i'm active on the hebrew site but in general all the domain languages seem to be suffering from drastic reductions in pageviews. but atleast for the hebrew wikisource -- it was averaging around 5.5 million pageviews for a period of consecutive months.. now all of a sudden it's barely breaking 1 million -- very hard to believe. it seems to me there's a glitch. anyone possibly aware of the issue?

Page Views for Wikisource, Normalized Jun 2015 ../day ../hour ../min ../sec 45.9 M     1.5 M /d 64 k /h 1.1 k /m 18 /s  12.1 M     403 k /d 17 k /h 280 /m 5 /s  4.8 M     161 k /d 6.7 k /h 112 /m 1.9 /s  2.5 M     84 k /d 3.5 k /h 58 /m
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Daniel Mokhtar

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Oliver Keyes
Research Analyst
Wikimedia Foundation