Alibaba.com (1688.HK) posted 2011 fourth quarter net profit of 388 million yuan, down 5.77 percent year-on-year and 4.41 percent quarter-on-quarter, reports 163.com, citing a company filing.

The largest corporate e-commerce site in China posted a nine percent year-on-year increase in operating revenue to 1.659 billion yuan, of which revenue generated from the domestic market accounted for 589 million yuan, up 12.3 percent.

Revenue from international markets totaled 946 million yuan, accounting for 57.2 percent of the total. 

In the fourth quarter, the gross margin of the company fell 2.7 percentage points quarter-on-quarter to 78.3 percent.

Alibaba.com posted a 15.5 percent year-on-year rise in 2011 revenue to 6.42 billion yuan, while net profit increased 16.6 percent to 1.71 billion yuan.