Sadly you need to take squid log based reports with a grain of salt.
Several incomplete maintenance jobs have taken their toll.
Each report starts with a long list of unsolved bugs.
Among those
https://bugzilla.wikimedia.org/show_bug.cgi?id=46273
So yeah better trust your own data.
Erik
-----Original Message-----
From: analytics-bounces(a)lists.wikimedia.org [mailto:analytics-bounces@lists.wikimedia.org]
On Behalf Of Max Semenik
Sent: Tuesday, September 03, 2013 5:33 PM
To: analytics(a)lists.wikimedia.org; Wikimedia developers; mobile-l
Subject: [Analytics] Mobile stats
Hi, I have a few questions regarding mobile stats.
I need to determine a real percentage of WAP browsers. At first glance, [1] looks
interesting: ratio of text/html to text/vnd.wap.wml is 92M / 3987M = 2.3% on
m.wikipedia.org. However, this contradicts the stats at [2] which have different numbers
and a different ratio.
I did my own research: because during browser detection in Varnish WAPness is detected
mostly by looking at accept header and because our current analytics infrastructure
doesn't log it, I quickly whipped up a code that recorded user-agent and accept of
every 10,000th request for mobile page views hitting apaches.
According to several days worth of data, out of 14917 logged requests
1445 contained vnd.wap.wml in Accept: headers in any form. That's more than what is
logged for frontend responses, however it is expected as WAP should have worse cache hit
rate and thus should hit apaches more often.
Next, our WAP detection code is very simple: user-agent is checked against a few major
browser IDs (all of them are HTML-capable and this check is not actually needed anymore
and will go away soon) and if still not known, we consider every device that sends
Accept:
header "vnd.wap.wml" (but not "application/vnd.wap.xhtml+xml"), to be
WAP-only. If we apply these rules, we get only 68 entries that qualify as WAP which is
0.05% of all mobile requests.
The question is, what's wrong: my research or stats.wikimedia.org?
And if it's indeed just 0.05%, we should probably^W definitely kill WAP support on our
mobile site as it's virtually unmaintained.
-----
[1]
http://stats.wikimedia.org/wikimedia/squids/SquidReportRequests.htm
[2]
http://stats.wikimedia.org/wikimedia/squids/SquidReportClients.htm
--
Best regards,
Max Semenik ([[User:MaxSem]])
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