Search Engine :Search Engines are nothing but a software which is designed to search and display information in the world wide web. Search results are displayed in line wise on multiple pages (SERPs). Generally, each search engine results (SERP) page displays 10 results. But, we can change it accordingly on search engine settings. There are number of websites which contains related information about our query. But, it follows some metrics to rate all those websites; depending on that it decides which webpage to display first and which webpage to next. We have trillions of websites in world wide as well daily billion websites are registering. Search Engines are mainly focus to bring and display genuine and perfect results to users. Its ultimate goal is to satisfy the user by providing proper information. For this purpose Search Engine uses Bots & Spiders which are nothing but special type of algorithms. These algorithms strictly check each and every pages information and also checks for spam. The resulted information in SERP may be a combination of webpages, videos, images and other type of files. Few search engines also mine data from data bases or open directories. Search Engine maintains real-time information by run an algorithm on a web crawler.
How Search Engine works:In recent time, search engines maintains 3 processes. They are:
- Web crawling
Why only Google:Now a days, Google is the most advanced and popular search engine in the world. It has the market share of 80.52 percent as of mid 2017. It is more popular in the countries like USA, India, etc. Apart from search engine, it has other popular products like Gmail, Google Drive, Google Maps, Google Plus, Google Photos, Blog, etc. Even-though it's more advanced, it is updating itself in regular intervals to serve better than previous. It places the google in king's position, while other search engines are following the foot steps of Google. The top 10 search engines in the world from rank#1 to rank#10 are as follows,
- Internet Archive