Zhanzuo.com have such a silly drop in traffic in late August? Well, I’m no expert on Chinese culture or web surfing patterns, but I can draw a few inferences from an Alexa graph. 56.com is another website funded by Sequoia Capital, which is the capital behind Zhanzuo. Look at its drop:

Who knows why, but both sites fell at the same time.

I’m putting this down to changes in the list of ISP’s prepared to hand over traffic reports to Alexa.