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What are the common terms of SEO?

Date:2015-07-19 Source: Shangpin China Type: website encyclopedia
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1. Density
Key word density is used to measure the ratio of the total number of key words appearing on the web page to other words, usually expressed as a percentage. It is the most common problem encountered in the process of website optimization, and it is also a mistake that novices are most likely to make. Most people think that the density calculation method of search engines is the same as the online density measurement software algorithm provided by some websites. These software are used as the standard to measure the density of key words. In fact, the algorithm of search engines is different from the algorithm of these software. These online tools are calculated based on words, that is, the number of words in a keyword divided by the number of words in an article. For example, if an article has 100 words, suppose one of your keywords is "breast enhancement and weight loss", which occurs once and takes up 4 words, then 4 divided by 100 equals 0.04, and 0.04 is the keyword density. The method of calculating the density of a search engine is in the form of "words". After the search engine grabs the article, it will cut the article into words, divide the article into multiple words, and divide the number of keyword occurrences by the number of words in the whole article. Suppose there are 50 words in an article after word segmentation, and the keyword "breast enhancement and weight loss" appears once, then the density is 1 divided by 50 equals 0.02, which is slightly lower than the density calculated by the software.
 
2. Concept of entry and exit
Penetration refers to that a page is linked by many other pages, and these links constitute the penetration of the website. The more links, the greater the penetration. Outgoing refers to the number of links from this page to other pages. Whether links to the inside or outside of the website, it is the outgoing degree. It is very helpful for ranking to reasonably control the entry and exit.
 
3. Text embedded link
Text embedded links are very important parts Website production In the future, there will be content pages, and content pages will account for more than 90% of the total number of pages on the website. When we browse the web, the content page of most websites will have a text content section for article reading. The left or right side is the recommendation information section for some columns. Whether the link weight in the text content is high or the link weight in the recommendation information is high, the answer must be the link weight in the text content is high. So far, most content pages of websites in China are generated by templates, that is to say, the recommendation information of all content pages is the same, only the content in the body content section is different. Adding links to content also has certain benefits, that is, it can increase user experience. If users do not understand this content very well, they can click the link to learn more about it; On the other hand, the internal links of these pages are added to make it easier to get rankings.


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