How does a search engine such as Google, Yahoo and Bing? This question may have crossed your mind about how search engines work in the real Internet. How do they seem to understand what we are looking at the virtual world.
Well, in this article. We will learn a glimpse of how search engines work. Of course, to be discussed are the basic concepts and the workings of search engines, say Google. Because in reality, how search engines work was far more complicated than we imagine. What the search engines (search engines)? Why you should use it? Imagine you are in a giant library. Hundreds of thousands of books are all around you, and you need information about the history of Ancient Egypt and the pyramids. So what should you do? The most likely thing you do is to ask the librarian, who will show you the history.
Then you will seek first book about Egypt from the dozens of books that exist. And then you still have to find the information page by page and it would not take very much. Search Engine saves you time Admit it, when search engines like Google and Yahoo saves a lot of time, energy, and make you more productive. But what really made the web search engines? Basically, the internet search engine is a software program that is able to find information on the website is based on a query or existing keywords on the internet. Search engines use specific algorithms to determine search results.
Generally there are two types of search engines: Crawler-Based Search Engine. Human Powered Search Directories. Crawler-based search engines to make their own list automatically. They clicking "crawl" across the web. And when people are looking for something, this algorithm will show the results of their crawl. When the change of web pages, search engines will crawl robot based updates and displays the latest results in the search results. Some of the popular search engines use robots to crawl the worldwide web a long time, namely Google, Yahoo, Bing, and Ask, and Baidu. To better understand the concept, consider the image below:
As with the directory-based search engines. The search engine is not meng'crawl 'web pages automatically. They need a view, rated, and then added to the database by people. Database search engines are not able to grow automatically. Some search engines are based on the Technorati directory, Dmoz, and Wikipedia.
Crawler-based search engine 3 has an important element.
1 The first element is the Spider, also commonly referred to as the Crawler. Spider / Crawler visit a web page and then read it, and will rate the sites. Then Spider will visit the site again on a regular basis, say every few weeks. 2 The second element of the Index. Index also called Catalog. An index like a great book that consists of a copy of every web page visited by Spider / Crawl. If there are changes made by a site that dicrawl, then the book will be updated with the latest changes. 3 The third most important part is the search engine itself. Search engines record data from millions of sites in an index to find the right search results for information seekers.
Search engines also kaan do the ranking of websites based on popularity, backlinks, and data / content is relevant. Almost all search engines produce similar results. And every search engine has different techniques to get the right results. Today more than 1 million internet users search is performed only on Google alone. Imagine how busy the search engines today. Hopefully the article to understand the workings of these search engines can be helpful. Feel free to share this information if you feel this information can be helpful and useful to others through social media. Thank you.
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