10 most popular websites on the web. The top 10 most popular websites on the internet according to Alexa are: Google.com (Alexa rank: 1) Youtube.com (Alexa rank: 2) Tmall.com (Alexa rank: 3) Baidu.com (Alexa rank: 4) Qq.com (Alexa rank: 5) Facebook.com (Alexa rank: 6) Sohu.com (Alexa rank: 7) Taobao.com (Alexa rank: 8) 360.cn (Alexa rank: 9) Yahoo.com (Alexa rank: 10) Alexa rank is a measure of website popularity with 1 being the most popular. It is calculated by the site’s estimated traffic and visitor engagement. Subscribe- @TodayILearn 841 viewsedited 04:51