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Title : Google Search Engine How it Works
link : Google Search Engine How it Works
Google Search Engine How it Works
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A very reliable search engine called Google, who doesn't know Google at the moment. Every day we all witness how Google is great at serving us all to access various information in detail. But are you all not curious about how Google is able to present matching results from the trillions of web pages that are available only based on a keyword that we type.
Search engines serve users by presenting specific information as they search through the website. This is a very powerful tool that offers users specific and fast search results by providing information stored on other websites. They make it easy for users to access information on various websites. Users simply type in a query regarding the information they are looking for and the rest is the work of the search engine to provide relevant results.
Among the several search engines available on the internet, Google is the most widely used and most dominant search engine among other search engines. The Google search engine is owned by Google Inc. First built by Larry Page and Sergey Brin in 1997. Every day there are more than billions of hits happening on Google websites from all over the world, this is enough to illustrate to us how popular Google is.
Google's main page display is very simple, can be seen in the picture above, Google tends to look simple to amaze its users. What is unique about the look of this website is that they sometimes change the Google logo to fit certain days and on certain dates, such as new years, or religious holidays. Commonly known as Google Doodle.
How Google Works
There are trillions of web pages available on the web (Google even when this article was written there are 60 trillion individual pages, and that will continue to grow), most of which have page titles as desired by the owner / author. Let's see how Google is able to provide extraordinary search results from hundreds of available web pages.
Google's search engine uses software commonly known as Spider or Web Crawler to search data from various web sites.
Spider or Web Crawler Software is a program that is made to run automatically which crawls websites on the internet and retrieves data stored in billions of websites / sites and displays them to search results pages in the form of links to the pages of the website. Googlebot is a term for spider software used by the Google search engine.
The search engine starts with a crawler module where spiders / crawlers or googlebot are sent to the Web to browse existing websites. Spiders start by taking several web pages, then they follow the links on that page and take the related pages and so on, if you're curious to see a simple example of how we can get all the links on the website with just PHP.
There are billions of pages stored on thousands of machines. Spider extracts data that is on every page from every website and stores it in their repository. Then the data is sent to the indexing module, then sorted out the contents of the page and extracts key elements such as title tags, description tags, data about images and internal links. Basically, the indexing module (indexing) provides a summary that is really the essence of each web page, such as certain notes. Then the data is placed in a database called Index. All these activities continue all the time whether the request is made by the user or not. Googlebot will continue to search and retrieve pages that are allowed (usually there are settings allow and disallow this googlebot activity, googlebot will only take what is allowed by the web owner, these settings are usually made in a file called robot.txt).
Google will also sort out websites that are indicated to carry out spam activities, there are several characteristics of websites that will be considered spam by Google, including hiding text and installing keywords by cheating, websites that create content automatically (done by robots) or AGC (Auto Generate) Content), Parked Domains, and so on.
How Google Ranks
Google employs link-based algorithms to rank search results. For this, Google will check the link popularity (how many links the page has, in the sense of how many links from other websites point to the web page), the reputation of the link that leads to it is taken into account, whether the links that point to the website pages come from websites that have a high level of popularity or ranking as well or not, if high will be better the effect for the website pages, because it could be considered by Google to improve the ranking of the web pages, that's why many people are competing to increase backlinks from the website quality towards their website. In addition, Google also assesses whether the link is relevant to the subject of the web page and various other factors that ultimately determine the ranking in search results. Google says they have more than 200 factors that influence a website's ranking. Google likes websites that are fresh and always updated, quality content and so on.
Nowadays people are competing so that their website can be found in search engines, if you are a website owner and doubt your website will be netted by Google's spider software, you can enter your website pages into the Google search engine through Google Webmaster, simplify Google by creating a sitemap which contains the link, title and date of creation of the page, then entries to the Google repository via Google Webmaster.
Writing and Drawing Sources:
http://www.jurnalweb.com/how-how-to-work-in-search-google/
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