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Wikipedia portal dashboard: drop in pageviews seems a bit odd
Closed, ResolvedPublic

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debt
Jun 13 2017, 6:42 PM
Referenced Files
F8460294: enwiki.png
Jun 14 2017, 6:45 PM
F8460378: Screen Shot 2017-06-14 at 11.32.07 AM.png
Jun 14 2017, 6:45 PM
F8460301: 5wiki.png
Jun 14 2017, 6:45 PM
F8460385: Screen Shot 2017-06-14 at 11.34.13 AM.png
Jun 14 2017, 6:45 PM
F8460293: enwiki_main.png
Jun 14 2017, 6:45 PM
F8454410: portal-pageviews_dump_13June2017.png
Jun 13 2017, 6:42 PM

Description

There is a few weird issues (maybe) going on with the Portal dashboard. Pageviews seem to suddenly drop around May 28, 2017 and so do the clickthroughs. Can we check into this?

portal-pageviews_dump_13June2017.png (402×997 px, 78 KB)

Event Timeline

Pageviews of English Wikipedia and pageviews of enwiki's main page decreased in the past two weeks:

enwiki.png (652×678 px, 50 KB)
enwiki_main.png (652×678 px, 53 KB)

And we saw a decrease in ruwiki and eswiki as well:
5wiki.png (652×678 px, 99 KB)

We think this may be a seasonal change.

Clickthroughs start to drop around June 5. We didn't see a CTR drop in countries with more traffic (http://discovery.wmflabs.org/portal/#all_country):

Screen Shot 2017-06-14 at 11.32.07 AM.png (388×1 px, 163 KB)

And the proportion of traffic from other countries increase (http://discovery.wmflabs.org/portal/#country_breakdown):
Screen Shot 2017-06-14 at 11.34.13 AM.png (479×1 px, 141 KB)

Since countries with more traffic have a higher CTR and the traffic from them went down in the past two weeks, the overall CTR decreases.

Ok, thanks for checking, @chelsyx, I wanted to be sure a bug hadn't been introduced somewhere. :)

FWIW, I regularly track total pageviews (all projects, total/desktop/mobile) in a year-over-year comparison that gives some sense of seasonality. Indeed it seems that traffic is generally always decreasing during May and June, although that may not be the whole explanation for sudden drops in that timespan.