On the meaning of black chain and its practical effect

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall

Today is mainly about what is called Black chain and black chain of the actual effect.

Black chain, as the name implies: Black text links, oh, a joke, the meaning of the black chain is: The site was hackers using technology intrusion, and access to permissions, through the addition of code, to achieve the hidden one or more export links, such a way is to not let webmaster and administrators find links exist, In essence and normal friendship link export is not much different, the following introduction why say so.

The black chain hangs on the page after it is invisible to its links with descriptions and links to the station name, but you use the main webmaster Station simulation engine crawl tool test open the source of the page or export links, you will find that the actual search engine is to recognize these links, and will crawl, and so on the contrary, a PR5 station, The price of the link is 20 yuan, and a black chain PR5 price difference is not one times twice, the preliminary estimate is 5-8 times, this is in the A5 of the link buying and selling area to collate the data, where I ask you, why so have the advantage of the project people do not recognize it? Because the black chain has not yet spread to everyone's heart, Even the meaning of the black chain, some webmaster may not be too clear.

The simplest, a domain name I have been K, when doing customer business, also conveniently to add to their own, after one months, the domain name and restore the home page included, and can site to, this period I did not do friendship link, also did not submit to Baidu, of course, these I said everyone may be one by one denied, Because after all, Wang Po sells melons, puff. You can go to my customer base to consult the response of many customers.