Take 3 minutes to get to know the ancestors of the search engines

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If the Sunshine Small house asks you what search engine is what thing? Such a situation generally has two kinds of answers: ① is not Baidu, Google ... (the name of their site is said, if you have not used the search do not know what it is). ② is a system that collects a lot of data and searches to show the relevant content (√). The author thinks, all provides the method of data search, it is a search engine. Have you ever thought of using other search engines other than the one you just mentioned? Next you will know, in fact, you have not left the search engine all the time, do not believe the words now find a case to do a demo ...

Please open your computer C disk, then press CTRL will appear a local search box, and then enter a "a" or "Win" press ENTER, this time the search results and then click the right mouse button, there will be a lot of sorting mode: Time, type, size, name ... In fact, this is the ancestor of the search engine. Try typing no text several times, and then sort it in different ways. Such "simple, small search engine" there are many, such as domestic Sina, NetEase and other sites to provide site search, as well as a variety of CMS, the forum has its own site search function, the most typical example is the Sun Small House blog site Search is also a simple search engine. "

Search engine Even if how the changes are regularly according to a certain algorithm to retrieve, and finally according to the corresponding sort of output content.

The best way to do this is to create a new folder on your computer and then "feel" that you are using more and more important photos, documents ... Copy it in, then try it in a variety of ways, and find the file you want in different ways to get it in the front. A more advanced practice is to build a small database of their own, and then the day-to-day data to guide, and then run SQL different combinations of conditional combination statements constantly to query what you want. What's the effect of playing such a boring "little game"? Because this is the most fundamental version of the search engine, how to determine the most basic understanding of the output data ordering. Baidu, Google and other search engines are said to have hundreds of factors decided to rank, so webmaster must know how to synthesize a number of factors to estimate the search engine is how to output sorted content.

Next chapter: How to speculate on the collection of Baidu mechanism, to enhance the number of sites included

Original: Sunshine small Curtilage Blog Origin: http://www.GuangZZZ.com/post-5.html