I asked the same question of a Japanese web developer friend a decade ago, since Japanese sites (at least, back then) were very similar. The answer he gave made sense. He said the reason Japanese websites were so busy was the greater percentage of mobile-only customers, many of whom weren't using smartphones. You could go to a website on your cheap "feature phone" and still comfortably navigate a site that was mostly…
Smartphone penetration is up to 73% by now: http://www.nielsen.com/cn/en/press-room/2015/Nielsen-Chinese... and is above 85% in urban areas. The article seems to take an American bias with this by looking only at desktop websites. China primarily consumes the internet through mobile apps and top tier mobile apps (Wechat, Baidu Maps, Didi Kuadi, Dianping, Ele.me) appear to be designed no more or less busy than compara…
http://www.statista.com/statistics/257045/smartphone-user-pe...