Complete SEO basic knowledge popularization

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Webmaster Longest say a mantra is: do not understand the principle of the search engine seoer is in the naked running!

According to the above figure explained the search engine working principle, the author should step by step for everybody explanation, explained. Complete SEO basic knowledge popularization.

1, www: Our Internet, a huge, complex system;

2, the Collector: this we are familiar with the webmaster, we are commonly known as spiders, reptiles, and his task is to access the page, crawl the page, and download the page;

3, the Controller: the spider download down to the controller, function is the dispatch, such as bus group dispatching room, to control the departure time, the destination, mainly to control the spiders crawl interval, as well as send the spider to crawl, we do SEO can think of, the space position is advantageous to the SEO optimization;

4, the original database: access to the Web page database, is the original database. In order to save the next job, and provide a snapshot of Baidu, we will find that the same as the MD5 value of the URL is not repeated, and some URLs have, but the title is not, only through the URL of this component to find, because this did not through the index database to establish the index. The main function of the original database is the speed of storage and reading, as well as the access to the space, through compression, as well as the rear service. Web Database Scheduler will crawl the spider back to the Web page, after a simple analysis, that is, the extraction of the URL, simply filtered image into the data, then in his data, is not indexed;

5, Web page analysis Template: This piece is very important, SEO optimization of the spam page, Mirror Web page filter, the weight of the page is all concentrated in this piece. Called Web page weight algorithm, hundreds of more than;

6, the indexer: the value of the Web page into the index database, the purpose is to query faster. Convert a Web page into a keyword by converting it into another form of value. Called a positive row index, this is to facilitate the number of pages, the number of keywords. Millions of pages and millions of words which is convenient for some. The inverted index converts the keyword into a Web page, and the criteria for ranking are accessed in this has formed an efficient storage structure, a lot of ranking factors as an item stored in this, a word in how many pages appear (a Web page a lot of keyword composition, the page into a keyword such a column process is called a positive row index.) Reason for the suggested index: to facilitate, improve efficiency. How many pages of a word appear, the word into a Web page so a column process is called a inverted index. Search results are in the inverted database simply get the data, a lot of ranking factors as an item, stored in this inside);

7. Index database: Data for ranking in the future. Keywords number, keyword location, page size, keyword feature tag, point to this page (inside chain, outside chain, anchor text), user experience All of these data are accessed in this, provided to the reader. Why Baidu so fast, is Baidu directly in the index database to provide data, rather than direct access to www. namely pretreatment work;

8, the reader: the user inquires the word, carries on the segmentation, then carries on the sorting, through uses the industry interface to return the result to the user. Responsible for cutting words, participle, query, according to ranking factors for data sorting;

9, user interface: Will query records, IP, time, click the URL, as well as URL location, the last time with the next click on the interval between the user behavior log database. Is the Baidu box, a user interface;

10, User behavior log database: The focus of search engines, SEO tools and brush ranking software is from this inside out. The user uses the search engine the process, and the movement;

11, log Analyzer: Through the user behavior log database for continuous analysis, these behavior records stored in the indexer, these actions will affect the rankings. That's what we call a malicious click, or a one-night ranking. (If the key is not found, then the domain name will be directly searched, which will be credited to the user behavior database);

12, Thesaurus: Web Analytics module in the Log Analyzer will find the latest words into the thesaurus, through the word library for participle, web Analytics module based on Thesaurus.

Statement: This article by Tri Hengbin original compilation, reprint please specify from: http://www.0513haian.com/seo-knowledge/112.html

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