1. Google
Google is an American website which is basically a search engine. It earns most of it profit from Adwords. This was formed by Larry Page and Sergey Brin. In modern age google offers much more to it viewers. It is the most popular site on internet now a days.
2. YouTube
YouTube is a video sharing website which is also owned by google. Most of videos on it are uploaded by the people having google account. It is now the second most popular site in the world.
3. Facebook
Facebook is the most popular social networking website now a days. It was founded by Mark Zuckerberg who is one of the richest persons in the world for his site. Facebook is becoming attracting day by day for it viewers which has made it the 3rd most popular website.
4. Yahoo
Yahoo is also an American website which is famous for it web portal,social networking and search engine. Yahoo was founded by Jerry Yang and David Filo. Yahoo is now the 4th popular website in the world.
5. Amazon
Amazon is the world largest online retailer. It is also an American website. This was created in 1995. Now the Amazon has its separate online retailers for some countries. The website is now on 5th in world websites.
