From the news of Telecommunications Carriers Associasion, 2010/2/5.They announces the number of subscriber by carriers. http://www.tca.or.jp/database/2010/01/
Total subscriber of mobile phone in Japan is 111,026,600. The share of NTT docomo is biggest, about 50%.
IP service name of mobile phone by carrier is as follows; i-mode: NTT docomo EZweb: au(KDDI) Yahoo! mobile: Softbank
The Share of mobile phone by system is as follows; CDMA2000 1x:28.1% W-CDMA:68.2% cdmaOne:0.2% PDC:3.5%
The following table shows "pageviews", "number of sessions" "number of unique users" "average bounce rate" "average time spent" "average pageview per person". The data is collected from mobile site using free tool "myRT".
Japanese mobile site is often on the mobile carriers network. So, it is difficult to measure the mobile site compared to PC site. Because JavaScript is not accept, cookie is not accept, so on.
So mobile site measurement tool in Japan has been developed other way. MOBYLOG is one of the typical tool of mobile site measurement. Today MOBYLOG 4.3 is realsed.
The version up point is as follows;
1) Enhanced MOBYLOG engine. Transfer mobile ID automatically even under the NTT docomo SSL circumstance. 2) Measure conversion not only by PPC but also organic search. 3) Provide HandloaD TAG perl version 4) Enhanced Excel client function 5) Agent service to set advertisinz data