so, Shanghai dragon outside the station released outside the chain, will be able to attract spiders crawl page to the website
two: the form of the chain
1: pure text
a lot of Shanghai dragon thinks that the chain has not much effect on Shanghai dragon, which is not the case. The chain for Shanghai dragon is very helpful, but the premise is the quality of the chain.
must first understand the role of the chain of
What are the website
the content of the web site to be included, the need to attract spiders to crawl the site. The spider is through the link to find new content and site