summary: what is the electronic commerce of Shanghai dragon? It is actually very simple, is the electronic commerce network.
b) Shanghai dragon compared to SEM promotion cost lower.
as Taobao and Tmall these business platform using shielding some of the mainstream search engine robots.txt, so Taobao and Tmall these shops do Shanghai dragon also have no meaning. Jingdong and Dangdang although there is no shielding search engine, but after all, not their own independent website can be optimized for the smaller room. Therefore, suggestions on Optimization of Shanghai Longfeng significant independent B2C site.