Then copy some photos and documents that you think are more and more important in daily use. The best experimental method is to create a new folder on your computer. Then try to sort in a variety of ways, using different methods to find the file you want and put it at the top. A more advanced practice is to build a small database, import some daily data, and run multiple SQL conditional combination statements to query the content you want from time to time. What's the use of playing such a boring little game? Because this is a search engine（ SEO website optimization ）The most basic simplified version, how to determine the most fundamental understanding of output data sorting. Baidu, Google and other search engines are said to have hundreds of factors to determine the ranking, so webmasters must know how to estimate how the search engine outputs the ranking content by integrating many factors.

If you haven't used search, you don't know what it is.) ② It is a system that collects a lot of data. If Sunshine Mansion asks you what a search engine is? There are two answers to this situation: ① Baidu, Google（ Beijing website production ）The name was just mentioned. Search can show relevant content found (√) The author believes that any method of data search is a search engine. Have you ever thought about not using other search engines except for those mentioned just now? Next, you will know that you have never left the search engine. If you don't believe it, now let's find a case to demonstrate

Then press Ctrl+F and a foreign search box will appear. Please open your computer's disk C. Then enter a "a" or "Win" and press Enter. At this time, the search results are presented, and then click the right mouse button. There will be many sorting methods: time, type, size, name... In fact, this is the ancestor of search engines. Try entering non text several times, and then sort in different ways. There are many simple and small search engines like this, For example, Sina, NetEase and other websites in China provide on site search, and various CMS forums have their own on site search functions. The most typical example is that the on site search on Sunshine Mansion blog is also a simple search engine.

Finally, output the content according to the corresponding sorting. Search engines search regularly according to certain algorithms even if they change.

This article was published by Beijing Website Construction Company Shangpin China //ihucc.com/