The Top 10 Most Popular Sites of 2021

Only web giants make this list

Are you using the number 1 website in the world? Check out this list of the most visited websites in 2021 to see how many you recognize. Maybe you'll find a new favorite website.

This list of the most visited websites probably includes ones you've heard of, but a few might surprise you. Most of these popular websites are on this list year after year as they prove to be the best websites around for what they offer.

Person sitting at their computer, whose screen shows a TED Talk in progress on YouTube
Adrian Mangel / Lifewire

This list of the most visited websites was created based on the total traffic and unique visitor information maintained by Alexa, the statistics and analytics service.

The most visited websites aren't necessarily the best for all your needs. See this list of the most useful sites to visit, and this list of the coolest websites for when you're bored.

01
of 10

Google.com

Google Search home page

Google is the world's most popular search engine. Billions of people generate billion of searches every single day, and it's not just for search—Google also offers a huge variety of peripheral services. 

In 2021, Google.com is the number 1 most popular website in both the global market and in the U.S.

02
of 10

Youtube.com

YouTube video page for Queen Don't Stop Me

You've probably watched a video on YouTube this week, as did plenty of other people. YouTube is the most popular video website on the web, will billions of videos being watched every single day.

Youtube.com is the second most popular website in both the global market and in the U.S. for 2021, even though a huge portion of YouTube views are from outside the U.S.

More About YouTube

  • What Is YouTube?: Learn more about this hub of entertainment and how to use it. It works by hosting videos uploaded by individuals, groups, and businesses.
  • How to Make a YouTube Channel: It's easy to make your own YouTube channel so that you can share your video content on the web. Learn how to take advantage of this far-reaching influencer.
  • What to Watch on YouTube: YouTube is vast and expands every day, so finding what you want to watch isn't always easy. Here's information on how to locate content that matches your interests (there are even free movies on YouTube).
  • YouTube TV: What You Need to Know: YouTube is also an online streaming service that subscribers use to watch live television on their computers, phones, and other electronic devices.
03
of 10

Tmall.com

TMall website screenshot

TMall is an online retail site in China. It's a spin-off of the Taobao site, which is operated by the Alibaba Group. As the world's second-largest ecommerce website, TMall often scoops in more than half a billion monthly active users.

TMall ranks number 3 globally and is the most popular site in China in 2021. U.S. visitors account for a tiny percentage of TMall visitors (in the top 50).

04
of 10

Baidu.com

Baidu search engine home page

With a 70 percent search market share, Baidu is the largest Chinese-language search engine and is used by millions of people every day. The estimate is that 90 percent of China uses Baidu as a search engine.

Much like Google, Baidu offers companion sites including an alternative to AdWords, Translate, and Maps.

Baidu is the number 4 most popular website globally and the second most visited site in China. Only 1 percent of Baidu visitors are from the U.S.

05
of 10

QQ.com

QQ.com homepage screenshot

QQ, also called Tencent QQ, is a Chinese web portal for all sorts of things, like an instant messaging service, music, shopping, blogging, and more.

QQ.com holds the Guinness World Record for the highest number of simultaneous online users on an instant messaging program with just over 210 million users. Active monthly users exceed 800 million.

It's ranked number 5 on the global list of the top 10 most popular websites and number 3 in China. U.S. users hardly bring it to the top 50 list.

06
of 10

Sohu.com

Sohu.com home page screenshot

Another Chinese website, Sohu.com offers things like a search engine, news, gaming, email, and advertising.

Sohu.com is ranked the 6th most visited website in the world, and sits at number 4 in China.

07
of 10

Facebook.com

Facebook Watch page

Facebook is the most popular social media site on the web. More than 2 billion active users access Facebook daily across the globe to communicate with family and friends. 

As of 2021, Facebook.com is the number 7 most popular website in the global market and sits at number 5 in the U.S.

More About Facebook

  • Facebook 101: How Facebook began and the features you can expect out of the social media giant.
  • How to Use Facebook: If you don't know what a timeline or a status on Facebook is, you can pick up the lingo here and expand what you can do on the social network.
  • How to Use Facebook to Find People: Because Facebook is the most extensive social networking site on the web, it's a powerful tool for finding people online. Learn more about using Facebook to search for old friends, classmates, or family members.
08
of 10

Taobao.com

Taobao website screenshot

Taobao is an online shopping website in China. It offers clothing and electronics for all ages, and users can buy or sell on the site. Taobao is the world's largest e-commerce website, and has more than one billion product listings.

In 2017, Taobao.com and Tmall.com together had a transaction volume so high that it outperformed all ecommerce sites and retailers in the U.S.

Taobao is ranked number 8 globally and number 5 in China. U.S. users account for around 1.5 percent of the site's total traffic.

09
of 10

Amazon.com

Amazon landing page with 40% discount dog and cat food banner at the top

Amazon is well on its way to being "Earth's most customer-centric company." It offers a vast selection of retail products, including books, movies, electronics, toys, and many other goods, either directly or as a middleman. Through its Prime service, it offers videos and music.

Amazon is the No. 9 most popular global website in 2021. It ranks as the No. 3 most popular site among U.S. websites and the number one shopping site in the U.S.

10
of 10

360.cn

360.cn website home page

360.cn is a website that belongs to the Chinese internet security company Qihoo 360. It offers antivirus software, a web browser, system tools, online games, a mobile app store, and more.

360.cn is the 10th most visited site in the world and ranks as the 6th most popular website in China.

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