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"nofollow" for Google launched, designed to help webmasters optimize the site's properties. Because some of the links in the site will never be through the search engine to bring visitors, such as privacy links, company profiles and so on. If you use the normal link, the weight of the site will be assigned to these links accordingly. Plus the nofollow attribute can improve the weight of your site, and will not affect the browsing of visitors.
Nofollow property is mainly to tell the search engine, the station to the link does not recognize, that is, to tell the search engine, do not put the weight of my site to give this link, do not go to visit. In reality, there is a problem, the site's comments need to add this attribute. Visitors to the site of the comments are friendly behavior, for this to get an outside chain is taken for granted. But these links are indeed the webmaster can not control. Accidentally being used by a malicious person to send a spam link, or link to a punished website. Such consequences can be more than just emotional problems, even the life and death of the site.
Hard to do station webmaster are not easy, because this matter and be punished is too unworthy. So I 211.html "> think webmaster Friends still consider adding this attribute to the comment link. As for the link problem, you can build a separate page dedicated to link exchange. It is not necessary to put the link in the comments.
Where the nofollow attribute exists:
<a rel= "nofollow" href= "www.domain.com" > Your links </a>
As a result, truly friendly visitors get what they want. A malicious attacker would not succeed. Not only conducive to the development of the website will not hurt the feelings of visitors. In addition, with others to exchange links Webmaster friends, you can check the other side of the site whether there is this attribute. Although it is not possible to harm the heart, it is necessary to prevent yourself from being hurt.
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