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#How do google search engine works software#

Use an XML sitemap to list all important pages of your website so that the crawlers can know which pages to monitor for changes and which to ignore.Ĭrawling alone is not enough to build a search engine.Big search engines like Google and Bing, have tools (aka Webmaster tools), you can use to give them more information about your website (number of pages, structure, etc) so that they don’t have to find it themselves.For example, pages like your admin or backend pages and other pages you don’t want to be publicly available on the Internet.

Use Robots.txt to specify which pages of your website you don’t want crawlers to access.

There are a number of things to do to make sure that crawlers can discover and access your website in the fastest possible way without problems. Your first concern when optimizing your website for search engines is to ensure that they can access it correctly otherwise if they cannot ‘read’ your website, you shouldn’t expect much in terms of high rankings or search engine traffic.Īs explained above, crawlers have a lot of work to do and you should try and make their job easier. If you take into account that there are more than 130 trillion individual pages on the Internet today and on average thousands of new pages are published on a daily basis, you can imagine that this is a lot of work. They do this continuously and they also keep track of changes made to a website so that they know when new pages are added or deleted, when links are updated, etc. When visiting a website, besides taking note of the number of pages they also follow any links (either pointing to pages within the site or to external websites), and thus they discover more and more pages. They visit each website and by using different techniques, they try to find out how many pages they have, whether it is text content, images, videos or any other format (CSS, HTML, javascript, etc). They create a list of all the webservers to crawl, the number of websites hosted by each server and then start work.

#How do google search engine works software#

To simplify a complicated process, it’s enough for you to know that the job of these software crawlers (also known as search engine spiders), is to scan the Internet and find the servers (also known as webservers) hosting websites. Search engines have a number of computer programs called web crawlers (thus the word Crawling), that are responsible for finding information that is publicly available on the Internet. How Search Engines Work (Overview) Step 1: Crawling This is generally known in the Internet World as Crawling, Indexing, and ranking. The first stage is the process of discovering the information, the second stage is organizing the information, and the third stage is ranking. What does ‘preparation work’ includes? Three main stages.

Search engines are complex computer programs.īefore they even allow you to type a query and search the web, they have to do a lot of preparation work so that when you click “Search”, you are presented with a set of precise and quality results that answer your question or query. Watch the video tutorial to learn how do search engines work. We use them as a learning tool, a shopping tool, for fun and leisure but also for business. Search engines have become part of our daily life. Is it 5 times, 10 times or even sometimes more? Did you know that Google alone handles more than 2 trillion searches per year? Have you ever wondered how many times per day you use Google or any other search engine to search the web? In this guide, you’ll learn the three main processes (crawling, indexing, and ranking) that search engines follow to find, organize, and present information to users. It’s the first step you need to take before even dealing with Search Engine Optimization (SEO) or any other SEM ( Search Engine Marketing) tasks. Having a clear understanding of how search works, can help you create a website that search engines can understand, and this has a number of added benefits. If you are a developer, designer, small business owner, marketing professional, website owner, or thinking of creating a personal blog or website for your business, then you need to understand how search engines work.