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[Beijing website production] Introduction to the working principle of search engine

Source: Shangpin China | Type: website encyclopedia | Time: November 1, 2011

Introduction to the working principle of search engine

One of the main tasks of search engine optimization is to improve the search engine friendliness of the website. Therefore, the first link of search engine optimization is inextricably linked with the search engine. In fact, the study of search engine optimization is the reverse reasoning of the search engine working process. Therefore, learning search engine optimization should start from understanding the working principle of search engines. （ Beijing website production ）

The main work of search engine includes: page collection, page analysis, page sorting and keyword query.

        1. Page inclusion
       Page inclusion refers to the process that search engines capture and store pages on the Internet through spider programs. It provides data support for search engines to carry out various work.

        2. Page analysis
 The first step of page analysis is to build an index of the original page to realize the rapid positioning of the page; Then, the text information of the page is extracted, and the text information is segmented and indexed for these words (i.e. keywords), so as to obtain the corresponding relationship between the page and keywords; Finally, the keywords are reorganized, and a reverse index list of the corresponding relationship between the keywords and the web page is established, so that the corresponding web page can be quickly located according to the keywords. ( High end website construction )

         3. Page sorting         
The search engine combines the internal and external factors of the page to calculate the degree of correlation between the page and a keyword, so as to get the page ranking list related to the keyword.

        4. Keyword query
       The search engine receives the query request from the user, cuts and matches the query information, and then returns the corresponding page sorting list to the user.
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Disclaimer

Thank you very much for visiting our website. Please read all the terms of this statement carefully before you use this website.

1. Part of the content of this site comes from the network, and the copyright of some articles and pictures involved belongs to the original author. The reprint of this site is for everyone to learn and exchange, and should not be used for any commercial activities.

2. This website does not assume any form of loss or injury caused by users to themselves and others due to the use of these resources.

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