Wikimedia Report Card September 2011

Synopsis

Detailed version     ⇒ Summary, 1 column     ⇒ Summary, 2 columns     ⇒ Errata
Please keep in mind September has one day less than August, which effects some of the metrics.
Exception: page request counts are always normalized to 30 day months.
 Metric  Now 
09/11
 Yearly change 
09/10 ⇒ 09/11
 Monthly change 
8/11 ⇒ 09/11
 Notes 
Site Rank All5th    +0 +0 1
Reach All32    +1.2% +2.0%2
Unique Visitors All455 M+14.2% +7.5%3,4
Page Requests All15.8 B +9.0% +5.2%5,6
Binary Files Commons 11.3 M+52.4% +3.8%7
Article Count Wp 19.9 M+18.0% +1.1% 
New Articles Per Day Wp 7.0 k -6.7% -5.8% 
Edits Wp 10.9 M -7.6% -2.8% 
New Editors All 14.6 k -9.2%-12.1%8
Active Editors All 0.1 k +1.6% -2.8%9
Very Active Editors All 10.8 k -2.6% -4.3% 
 
Repeated observations below are grayed
Site Rank
1: 5th position will be stable for long time: differences with those ranked 4th and 6th are considerable.
Reach
2: Change in reach in 3 years: (avg Jul-Sep 08 -> avg Jul-Sep 11) pp= percentage points:
    Europe +9pp (33%->42%), North-Am +9.7pp (33%->42%), Asia +0pp (17%),
    India +15pp (20%->35%), World +3.5pp (26.5%->30%)
Unique Visitors
3: Average for last 12 months 406M.
4:Change in UV's in 3 years: (avg Jul-Sep 08 -> avg Jul-Sep 11):
    Europe +73%, North-Am +47%, Latin-Am: +93%, Asia: +45%, World +66%
    India +162%, Middle East-Africa: +179%
Page Requests
5: Growth in traffic to mobile site is huge, in last 12 months for largest wikipedias:
    English:+80%, Japanese:+244%, Spanish:+258%, German:+105%, French:+71%, Russian:+148%
6: Note that total requests from mobile devices is even much higher, approx half go to regular site
Commons Files
7: Total tiff's doubled in August (19k->35k) and again in September (35k->75k)
    Probably related to Wiki Loves Monuments contest (WLM)
New Editors Per Month
8: Continued decline in new editors at large wikipedias, but sharp rise at Commons (WLM)
Active Editors
9: Active editors for all wikipedias grew 5% in last year. Commons: +43% in Aug/Sep (WLM?).
    Rise in many wikipedias outweighed slow decline (-10% in 3 years) in English, German, Japanese
All = All projects, Wp = Wikipedia project   /   B = billion, M = million, k = thousand

Author Erik Zachte - mail: ezachte@###.org (nospam: ###=wikimedia)