They benefit from increasing user participation and the traffic to such sites more than doubled last year ...
The top player (US)
1. Yahoo Answers 74,05 % (down from 94,25 %)
- an average user session lasts 9:09 minutes
2. WikiAnswer 18,35 % (nA)
- an average user session lasts 4:17 minutes
3. Answerbag 4,51 % (up from 2,46 %)
- an average user session lasts 3:31 minutes
4 Ask MetaFilter 1,8 % (down from 1,88 %)
- an average user session lasts 1:44 minutes
4. Askville 0,85 % (up from 0,2 %)
- an average user session lasts 7:20 minutes
more at the Hitwise Data Center
via Mediapost Online Media Daily
Nachtrag deutschsprachige Plattform: wer-weiss-was.de
kommt laut internet facts 2007-IV auf 4,09 Millionen Unique Usern / Monat
