The importance of correctly dealing with and understanding the relevance of the external chain

I have always attached great importance to the chain of SEO, of course, in many SEO team, this emphasis on the extent of the chain of team members can also be confirmed. I have contacted an SEO industry predecessors, also had the honor to his network company to visit the study, his SEO team has a total of 60 people, of which the number of outside the chain accounted for 45 people, these are full-time, plus he hired on the network of part-time outside the chain, according to his estimate, add up about hundreds of people, this is my own eyes to see a team. And on the network, I have heard, some outside the chain of the number of departments or even the scale of thousands of people, their SEO director of the external chain department planning is very orderly, indeed, in the existing search engine algorithm system, rely on a large number of outside the chain can indeed improve the rankings of many keywords.

Back to the old topic, what kind of outside the chain is valuable, useful?

We see other people's SEO team so attached to the chain, it is easy to produce an illusion, the chain as long as the more, the more effective. This point of view is certainly wrong, in the previous written article has also elaborated on this topic, interested friends can see the "from the actual combat, on the" content for the king, the chain for the Emperor "SEO concept of subversion analysis-http://www.admin5.com/article/ 20120229/411242.shtml ". Of course, what we are talking about today is not the rehash.

First of all, we have a concept, what is the outside chain? Many people think that the chain of units should be based on the site calculation, and through research and analysis of the search engine external chain crawl, as well as the PR value of the calculation formula, the outside of their chain This parameter is based on the Web page.

Since the concept of the PR mentioned, many novice friends also wonder, search some keywords, some of the row in front of the chain is not significant, and the outside chain of the site is not a good quality site. In fact, we should introduce the concept of the correlation of the outer chain mentioned in the topic.

For example, at the beginning of a very hot word "Niang" (http://www.admin5.com/article/20120227/410747.shtml), according to her communication and social response, we would like to compare her to a PR 8 page, Although the PR value is higher, but you search "SEO training", there will always be no information about her. Because search engines have the ability to analyze what you need through the keywords you search. This is a superficial phenomenon, in essence? Search engine again humanization, also not human brain, like "Niang" These instant words, search engine is how to make judgments?

First sell the words, appreciate an illustration:

　　

Baidu Search for the word International station, ranked first in a well-known business-to-business website, pure English, and open this page, there is no international station this word.

Interpretation is due to the relevance of the site outside the chain to guide the search engine to make this ranking. A well-known domestic SEO forum to create people do only in his several articles have repeatedly stressed the importance of relevance, also gave an image of the analogy, if there are many high-quality outside the chain of his name to Baidu, then the search engine by tracing the text of the guide, it may appear to search his name, out of the page is Baidu.

Even if we can not clearly understand the essence of search engine rankings, but through the analysis of the facts, and SEO expert description, we have reason to believe that the relevance of the search engine external chain attaches great importance.

A word overview is: We do outside the chain, as far as possible in the content of your site with the relevant site to do outside the chain. Now, when you are doing outside the chain, the amount of outside the chain, the chain of quality, outside the chain of relevance, a few people who are heavier, in the limited energy time how to choose and distribute, I believe you have been very clear.

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