first look at some of us know the reason
2, the content of excessive chain of
1, the site was linked to horse or hang black chain
We do not know the reason
we all know, stations and the functional groups of software that automatically for each article and we set the inner chain. Imagine, we site each article is within the chain, this site is normal? The reason with the first reason about, that is to stop automatic behavior station software, and then submit site.
is linked to the horse is a virus, this virus generally we still can not find the browse. There is hung up the black chain, black chain is a lot of illegal sites. The surface we can not see, but the search engine spiders are found. So, we should always check the page source code, then use the software to scan the pages if there is a virus or trojan. This is K are generally formal site, by K is also a bit strange feeling. But when we revise these reasons, the general search engine can quickly included.