The understanding and utilization of the nofollow label in the friendship link

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Nofollow label for webmaster should be not unfamiliar with it, I also encountered a problem like this today. And my Site exchange links to a website, in front of my domain Add this tag. Today, I accidentally check links, the results found that a website to my official website made a nofollow label. See this result, I want to know this topic and the majority of webmaster share.

Webmaster all know, Google Evaluation site PR value of a very important factor is from the link, that is, the reciprocal links, but some webmaster to empty gloves White Wolf, came up with others to serve themselves, do not contribute to the method, with nofollow tags, to export links. So, let's introduce what nofollow tags are and how to use nofollow tags;

Nofollow Label Origin:

In order to add backlinks, seo cheats in forums and blogs and many other issues with unrelated links content. The existence of these spam links to the search engine on the quality of the Web site to cause a certain degree of trouble. Nofollow is just Google, Yahoo, MSN to deal with the introduction of a property, this attribute should be widely used.

For example: If a Web page has a link to the B page, but a page to the link with the rel= "nofollow" annotation, then the search engine does not calculate a page into the Reverse Link b page.

How to use nofollow:

If spam comments are on the bottom Web site:

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Then the method of operation is as follows:

Add nofollow Tags:

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Thus, the search engine in the calculation of the PR value, the link will not be counted.

Nofollow label function and use conditions:

At present, most of the blog and build the station system has been added nofollow attribute. That's to prevent those who come over to post spam links and make their work meaningless.

Nofollow is a great way to worry about Web sites being harassed by spam, but the nofollow tag does not mean that the search engine does not include that link, but does not count in the reverse link factor.

Of course, any thing and function have the opposite effect, just like, nofollow label function, nofollow label since can prevent others to send rubbish link to the website, also can even cheat don't understand webmaster, after exchanging friendship link, some opportunistic people, add this label. Webmaster Understand, later encountered this problem can be solved. Although not new discoveries, but still willing to share with the general webmaster.

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