Maoseomao: A deeper understanding of the principles of search engine lesson Two

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Last section Review

The previous section Maoseomao mainly explains Google search engine update crawler, and deep crawler.

Update crawler: Google search engine can send n reptiles at the same time, access to the Internet, if the discovery of new information will be placed in their own database, we call this crawler "update crawler." Updated crawler can be based on the Internet URL address, non-stop to "speed of light" crawling, once their own database loaded with more information, they will return to Google provided a separate database, put their own information in the inside, and then come out and then collect information.

Deep Crawler: The main task of the deep crawler is to access the site already existing in the Google Main index, for the overall server update, the current Google depth crawler can almost update every day, so if not pay attention to the observation is simply not aware of. But Baidu depth of the reptile time will be long, probably a week to crawl deep, so many do Baidu SEO, are looking forward to Baidu depth crawling, because Baidu depth crawling, means that their last week's work will be Baidu affirmation.

Today's focus

This section Maoseomao will explain the specific workflow of the Google search engine and how to provide us with search results.

"The above is the author after looking at the data, drawing the Google Work flow chart, painting is not very good, I hope you understand"

The first step: Google server collation, Google sent a large number of daily update crawler, to the Internet to find new Web site information, and then bring back to the Google server waiting for collation.

The second step: after the Google Server collation, index to Google Main index, will not be indexed information to delete.

The third step: Google Server collation, daily release Google depth crawler, crawl the main index, the data using keyword ranking algorithm for calculation, list rankings, database stability.

The fourth step: when the user input the main keyword, the GG server, transforms the user input to the computer to read understands the content, and requests the answer to the main index. Note: GG server to the main index from the answer is: GG Main index content + update the reptile content together.

The fifth step: the main index will be the keyword list into character streams, to the GG server, GG Server, and then the answer to the user.

When did Google start grading you?

The above is Google's entire workflow, the work process is more controversial: When Google began to your site on a keyword rating.

According to the author observes, Google is crawling your website, collects the website information to begin to record your website performance, regarding the website structure is friendly, the website link correlation degree is high enough, the webpage code is friendly .... These ranking factors. When the Google server released the depth of the crawler, the main index according to ranking algorithm rankings, the update crawler will submit its own data to the main index, help ranking algorithm to work.

Google offers search results

For many SEO, Google has only one search result-content keyword results. In fact, Google provides a keyword search results have a special result-pictures, PDT documents and so on. I suggest you seo appropriate attention to special search results.

Know that in the future, not just content search can get customers.

Next Period preview

Today Google search engine workflow is here, tomorrow Content-search engine ranking principle, pay attention to page rank (PR), and how we face this ranking "myth".

This article by Shaanxi Cornerstone Advertising Co., Ltd. original http://www.jishiguanggao.com Copyright