Monday, January 5, 2015

How Google Search Works

Google, the search engine giant searches more than 40,000 pages per second or billions of web pages per day. Search starts with the web and it is made up of over 60 trillion individual pages and the number is constantly growing.



How the search giant finds relevant results of your search query in the blink of an eye? Explore the art and science that makes it possible. Google does it in three steps – Crawling & Indexing, Algorithms & Spam Filter.

See more here How Google Works

Crawling & Indexing

Google use software known as “Web Crawlers”, it searches trillions of web pages and gathers the information and provides you the most useful results. Crawlers finds link to link, page to page and bring data about those web pages back to Google’s servers.

Algorithms

Google has spent more than one million computing hours to build their 100,000,000 gigabytes index which finds billions of queries in a fraction of second. This search query is based on an algorithm- a complex computer program and formulas which brings the answers to your search query.



Fighting Spam

Spam sites use various techniques such as repeating keywords or putting invisible links over and over to game their way to the top of search ranking. Google fight with these spam sites through a combination of computer algorithms and manual review and finds the legitimate websites of your search query.

See full story here How Google Works
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