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Web address http://www.kaixin001.com
Commercial? Yes
Type of site Social network service
Registration Required
Available in Chinese
Launched April 2008
Current status Active

Kaixin001 (Chinese: 开心网; pinyin: Kāixīnwǎng; literally: "Happy Net")is a leading social networking website launched in March 2008 .[1][2][3]

In 2010, Kaixin001 ranks as the 13th most popular website in China and 67th overall according to Alexa Internet.[4]


Kaixin001's success can be partly credited to internet censorship in the People's Republic of China. Due to the permanent blockage of other social-networking websites such as Myspace, Facebook, Twitter and YouTube since the summer of 2009 following the Ürümqi riots,[5][6][7][8][9][10] many Chinese nationals turned to domestic sites, hence the membership spikes.

On 20 May 2009, Kaixin001 formally sued Qianxiang Group for unfair competition. Qianxiang Group runs one of China's popular social networks Renren. It purchased the kaixin.com domain and launched a Kaixin001 clone.[11] This enables Renren to confuse users and attract some Kaixin001 potential users to the Kaixin.com clone.[12] On April 2011, Oak Pacific, owners of Renren, was found by a Chinese court as guilty of violating legal rights of Kaixin001.[13] The compensation sum is still being settled by the Chinese legal system. The other main competition for Kaixin001 is Weibo.com, which is like a hybrid of Twitter and Facebook. Weibo.com has 140 million users and is owned by Sina.com.


Kaixin001 cloned and brought the most famous successful Facebook applications to the Chinese Market before anyone else. For example

  • Friends for Sale: A game that users can price and sell their friends
  • Happy Farm: Users can grown their own vegetables and steal vegetables from their friends.


  • Kaixin001 attracted white-collar office workers by focusing on fun, addictive social games.
  • Kaixin001’s users are highly active. It averages 34 pageviews and 33 minutes spent on the site per user, numbers that are about twice as high as the competition. Kaixin001’s white-collars love surfing the site at work, and occasionally in their free time too.


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