The relationship between keyword density and SEO rankings

Source: Internet
Author: User
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SEO people often put keywords on the tip of the tongue, whether it is the core words or long tail words, are not to be missed, to do the word. So, what is the layout of the key words is the standard, how to be reasonable? Old hook today and everyone to discuss keyword density and seo ranking relationship.

 First, the key word is the ranking of evaluation criteria

Keyword to the role of ranking, first of all from the search engine work principle. The search engine's work is divided into three steps: The 1th step is the spider crawls, collects the page on the Internet; The 2nd step is the information extraction and the index library update; The 3rd step is to retrieve, sort, and return the output according to the user's input keywords in the index library.

The spider gathers and crawls is the text, the information extracts is also will the text content participle, returns the search result according to the word segmentation sort display. Therefore, search engine work in the three steps are closely related to the key words.

second, the keyword density: no standard

Keywords are important, but there is no official index for the density of the keywords. At present, the industry is more recognized 2-8%, 3-7%, below 10%, and so on, this is only the number of people usually find out, there is no accurate standard. But it is certain: the page does not involve the keyword is not desirable, because the page will not be spiders caught keywords related to the index library; the page stack keyword is also unworthy, because the search engine has now been adjusted many times, a few years ago to sell a single page of watches a whole page of "Watch manufacturers" Can be ranked in front of the first few, but now is not possible.

 The best keyword Best in the right place

Whether it is Baidu or Google, the evaluation of the keyword is not simple is the number of keywords appear, but the entire page of the user experience. Specifically to SEO, we need to consider two aspects in the keyword layout:

1, the key words appear position.

Baidu's engineers in the interview has said that the keyword evaluation will be added before and after the text assessment, related words and statements will be together with the key words, counted into the keyword scoring. In other words, some articles purely for spiders, such as "search engine work is divided into three steps of SEO training: The 1th step is spider seo training spider crawling, collecting the page on the Internet; The 2nd step is information extraction and SEO training index Library update; The 3rd step is based on user SEO training input keywords in the index library search, Sort out the results of the output order SEO training and return. "This kind of article will be hit.

2, keyword density.

The old hook in front mentioned, "At present, the industry is more recognized 2-8%, 3-7%, less than 10%", in the case where the keyword appears in the right situation, the appropriate increase in keyword density is advantageous, but once the stack is likely to be the search engine think cheating, in the user search return value appears in the Java.

Article layout Key words, like stir fry salt: less bland, too much can not swallow, is not it?

Article from the real-name Network marketing team member Tianjin seo-Jun Junwei, reprint please keep the link http://www.goujunwei.com/archives/356, thank you!



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