Nowadays, there are hardly differences about web browsers due to web standardization. However, old browses which are bound by a spell still have been remaining. That’s why, competent web directors if you want be should know latest domestic web browsers’ or devices market share in Japan. ”Saiun” which is IT/Web market data-base will be convenient. You can get latest information and trend in japan such as OS, devices and software tools so on.
http://marketshare.biz-samurai.com/