Talking about: How to use Nofollow label

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From the "SEO depth analysis" article Knowledge point sharing

"Guide" nofollow is a link to the HTML tag attributes, webmaster and SEO personnel can use this property to tell the search engine do not track the link on this page, or do not track a specified link, these or this link is not recommended on this site. Once the link is used nofollow, the weight is not exported.

Controversy over Nofollow

There is a period of time Zac and national Ping has had about nofollow controversy, is nofollow will waste pr. According to Google's official explanation, assume that there are 10 links on a page

, then the PR of the page will be divided into 10 parts to these links, if there is a link is nofollow, then the corresponding PR will not be exported, as to the link should be directed to the whereabouts of the PR where did not know. Because according to the explanation, the PR which should be divided into the nofollow link is not divided into other nofollow links. Because the interpretation of the original article is different, so there is controversy.

How Baidu supports Nofollow

The above controversy is only for Google, Baidu does not necessarily follow Google's approach to deal with. July 2010 Baidu Search engineer Lee in the "Baidu Webmaster Club" response to Baidu support Nofollow, but did not explain exactly how to support nofollow, should be allocated to the nofollow of the link weight is not also as wasteful as Google. If it is really a waste, then the link to the site is best not to use, why should the link to their own site waste weight?

In the evening of October 26, 2012, "Baidu Webmaster platform-High-end SEO club" salon, the author when facing Lee asked Baidu's support for nofollow. Lee said the weights that should be assigned to the nofollow Link would be allocated to other nofollow links. So now on the site to use nofollow links, Google may be a waste of PR, in Baidu can be planning the link in the weight of the direction of the site.

How to use Nofollow

There are two ways to use nofollow, one is to add nofollow properties to a link:

A href= "URL" rel= "nofollow" irrigation

A href= "URL" rel= "external nofollow" irrigation

The first is generic, intended to tell search engines not to follow the link; the second is a more professional one, intended to tell the search engine that this is an external link and not to track it. Both of these are for the specified link, so that you can avoid the weight of these links, leaving the weight of the page to other links. Link add nofollow, when the search engine first discovered this link, or will put it into the waiting to crawl URL queue, but also will be crawled, but the search engine will record the current page on its properties, the current page does not give the link to export weights.

Alternatively, nofollow can also be used in META Tags:

Both of these are written to tell all search engines not to track links on this page, and not to pass weights to the links on the page. But the first is valid for all search engines, and the second one is only valid for Baidu. can also be replaced by other search engine spider name, if the search engine support this tag, will have the same effect. If the page uses this tag, the search engine will not find and crawl the links on the page.

Using nofollow to optimize the inner chain

First, you can use the nofollow link is those not competitive rankings of the page links, such as registration, login, complaints, reports and other links. These links do not have the role of competitive rankings, but only the functionality of the Site page, can be in the whole site of the links are nofollow processing. As for often said "contact us" to be based on the situation, some sites have brands, "* * * contact" also has a very high search volume, at this time the page may be ranked value, it is best not to nofollow its links. Another page on another page of the export link is only one, if you consider many times, you can start to use the Nofollow label the second time it appears.

In addition to the above not competitive rankings of the page, for the competitive rankings of the page can also use nofollow to control the weight of the station in the direction. Passers-by cattle net home to the site link use nofollow, dotted box links are nfollow links. The main home of the road to the weight of the main tourist destinations, regional raiders and other competitive rankings of the page, the tour group information links all nofollow off, may be taken into account that very few people for tour groups to search. Some friends may be more puzzled, since do not give these content weights, directly using the preceding JS or framework calls can not? You can also reduce the volume of web pages. To note that the way cattle net is only the home page does not give these tour information guide weight just, the use of nofollow, Baidu can still find and crawl such links to the page, if the content is good, or will be indexed.

The consideration of the way cattle should be the homepage of the weight as far as possible to guide the page of important competition rankings, not to the weight of tour group, but this information still needs to be included in Baidu, and these tour information can also enrich the content of the site's homepage, not like the article page around the noise link So directly on the link to use the nofollow, and did not use the JS or framework of the call mode. In this need to remind, links even if the use of nofollow, search engines will also be crawled and included, this tag is only recommended search engine current page does not pass the weight of this link page, and can not prohibit the search engine crawling and included. At the same time nofollow on the weight is only "suggestion" just, the search engine does not necessarily comply with the webmaster's settings, but there is a set of relatively perfect to determine whether the links are meaningful algorithm, the specific link is also the weight, will be based on the link is the recommended significance to calculate. Search engine will refer to whether the link has nofollow, but not just refer to the link whether add a nofollow tag to determine whether the link will export weights. Search engine does not link whether the right to export weights to the webmaster completely, otherwise there will be chaos situation.

The use of nofollow above. Not only in the homepage of the website, any page of the site can operate this way, nofollow can assist webmaster and SEO personnel to better guide the weight of the station, so that the webmaster and SEO personnel better optimize the site's internal chain structure. Now many large web sites are using nofollow, Baidu Experience content page export outbound links, as well as Baidu know the top navigation in the other Baidu product links are used nofollow. So webmaster and SEO should also pay attention to this label.

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