Some of the garbage in the link

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

The importance of external links believe that seoer have understood that even some do not understand the site optimization of business owners, they also know through the Forum mass, blog mass can effectively provide keyword rankings. Recently in the promotion of http://www.guanyufanyi.com Web site found that the industry's Black Hat SEO technology is very serious, using some SEO tools found, the keyword ranked in the first page of the google.cn site, there are 8 of sites exist the most common forum mass, blog Group built, Wiki mass, keyword piling, such as black hat means, or gray hat technology. By judging whether the links are good or bad or not with any of these sites, perhaps he will not put our new stations in the eye.

In the recent new station link construction also encountered some garbage technology, today to list these skills.

Quick Delete Type

Today, after exchanging links with you, after two days or immediately after the deletion of your links, this is the most common skill.

Code type

Put your link in JS or frame, reduce or even give up his voting mechanism.

Cheat Type

You this more ruthless, using the program so that the naked eye and the search engine to see completely different, the search engine to see the completely did not appear your link. This technique is more suitable for inner page links.

Nofollow

The link code adds the nofollow attribute, telling Google that this link is not in my control.

Page links

This link is only suitable for internal page links, but also more common, the PR value of each page link, included or not are different.

This is only a small part of the spam technology, if you have more tricks, please reply to let people recognize these technologies, so as to avoid these links.