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Weibo

Chinese social-network company operating the Weibo microblogging platform.

Last updated November 2, 2026

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Overview

Weibo Corporation is a Chinese social-network company based in Beijing and best known for operating Weibo, a large-scale microblogging and social-media platform. The service enables users to publish and circulate short-form posts and other media, follow accounts, participate in public conversations, and interact with content from individuals, organizations, celebrities, media outlets, and brands. Its public-facing identity is closely associated with Sina Weibo, the service developed by Sina Corporation during the expansion of Chinese social media in the late 2000s. The platform originated in 2009 under the name T.CN. It was established by Sina Corporation as a microblogging service at a time when short-form, real-time online communication was becoming an important part of China's internet ecosystem. The service subsequently adopted the Weibo name, and the corporate entity changed its name to Weibo in 2012. This naming transition aligned the company more directly with the consumer service that had become its principal asset and public identity. Weibo's core activity is the operation of an internet platform rather than the manufacture of physical products. Its service combines user-generated publishing, social networking, public discussion, content discovery, and distribution of information through accounts and feeds. The platform's business scope is therefore connected to digital advertising, audience engagement, content services, and other internet-platform activities, although specific financial or product-line details are not stated in the supplied reference material. The company is listed under the ticker WB. Its headquarters are in Beijing, and China is its principal operating market. The corporate brand and the consumer-facing Weibo service are closely linked, with the latter serving as the company's flagship offering. In encyclopedia terms, Weibo Corporation should be distinguished from unrelated companies or products that may use the word “Weibo”; the authoritative subject here is the Chinese social-network company described by the Wikipedia article titled “Weibo Corporation.”

History

Weibo Corporation's history is rooted in Sina Corporation's creation of a Chinese microblogging service in 2009. The service was initially established under the name T.CN and was developed as part of the broader growth of social networking and short-form online communication in China. Its central function was to allow users to publish brief posts and interact with an ongoing stream of public and personal content. As the service matured, it became identified with the Weibo name. In 2012, the corporate entity changed its name to Weibo, reflecting the importance of the microblogging platform to the business and bringing the corporate identity closer to the service used by the public. The platform became known as Sina Weibo and developed into the company's principal consumer-facing product. Weibo's business is based on operating an internet platform rather than selling a conventional physical product. The service brings together user publishing, social interaction, content circulation, account following, and public discussion. Its users include individuals as well as organizations, public figures, media publishers, and commercial brands. This mixture of personal communication and public content distribution has made the platform an important part of China's social-media environment. The company is headquartered in Beijing and is listed under the ticker WB. Its principal market is China. The supplied reference material does not provide enough verified information to document individual executives, ownership changes, financial performance, detailed advertising products, regulatory events, campaigns, scandals, or later corporate transactions. Those areas are therefore left unpopulated rather than inferred.

  • 2012

    Corporate name changed to Weibo

    [1]

    The company changed its name from its earlier corporate identity to Weibo, aligning the corporate brand with its principal microblogging service.

  • 2009

    T.CN microblogging service established

    [1]

    Sina Corporation established the service that became Weibo under the initial name T.CN.

Products and positioning

A major Chinese social-media and microblogging platform centered on public conversation, user-generated content, account-based publishing, and real-time information sharing.

  • Social media and microblogging · 2009

    Weibo platform

    Weibo is the company's flagship social-media service. It supports short-form publishing and interaction around user-generated content, including posts and other media. The platform is used for personal expression, public discussion, account following, information circulation, and communication by organizations, public figures, media publishers, and brands. It is also widely referred to as Sina Weibo because of its origin within Sina Corporation.

Controversies

  • 2021

    Weibo announces planned rules against misconduct by entertainment marketing accounts

    Weibo announced that it would introduce rules to penalize entertainment marketing accounts that publish rumors, promote boycotts, or post vulgar gossip. The company described the planned rules as part of its measures to address disorder in fan communities. The announcement did not specify the penalties, an effective date, or the accounts involved.

  • 2021

    Beijing regulator fines Sina Weibo’s operator

    The Beijing Internet Information Office imposed an administrative fine totaling 3 million yuan on the company operating Sina Weibo, over repeated publication or transmission of information prohibited by laws and regulations.

  • 2021

    Weibo penalized by China’s cyberspace regulator

    China’s Cyberspace Administration summoned and penalized Weibo. The supplied report does not specify the penalty details.

  • 2021

    Chinese internet regulator fines platforms over sexually suggestive content involving children

    China's Cyberspace Administration ordered Kuaishou Technology, Tencent's QQ, Alibaba's Taobao, Weibo Corp and Little Red Book to remove offending accounts and pay unspecified fines over sexually suggestive content involving children.

  • 2020

    Weibo announces two-month crackdown on malicious marketing accounts

    Weibo announced a two-month campaign to address malicious marketing accounts, citing national and Beijing internet-content governance requirements. The announcement stated that the effort was carried out in line with these requirements. Weibo also reported prior actions against false information and accounts. The event was reported on May 1, 2020.

Read more

Sources33 sources

  1. 1Weibo Corporationen.wikipedia.org
  2. 2Weibo announces two-month crackdown on malicious marketing accountstech.sina.com.cn
  3. 3Weibo announces planned rules against misconduct by entertainment marketing accountschina.qianlong.com
  4. 4Beijing regulator fines Sina Weibo’s operatorfinance.jrj.com.cn
  5. 5Weibo penalized by China’s cyberspace regulatorchinaz.com
  6. 6Chinese internet regulator fines platforms over sexually suggestive content involving childrenthestar.com.my
  7. 714万创作者入驻微博创作者广告共享计划 收益近2亿finance.sina.com.cn
  8. 8可丽蓝发布公益视频“知己而生”,首次聚焦备孕女性prnasia.com
  9. 9快看 | 微博收购KPL冠军豚首战队,欲实现全产业链电竞生态布局tech.sina.com.cn
  10. 10猫眼电影入驻微博微服务 更专业高效赋能电影宣发ent.sina.com.cn
  11. 11微博8月初将上线外链白名单机制 短链服务调整为受限免费服务chinaz.com
  12. 12微博发布2019年第四季度及全年财报finance.sina.com.cn
  13. 13微博发布2019年Q3业绩报告 营收增长2%至4.678亿美元finance.sina.com.cn
  14. 14微博发布2020年第二季度财报finance.sina.com.cn
  15. 15微博发布2020年Q3财报 净营收为4.657亿美元news.zol.com.cn
  16. 16微博发布2021年季度财报:营收达到4.589亿美元,同比增长42%chinaz.com
  17. 17微博发布二季度业绩 品牌广告业务复苏finance.sina.com.cn
  18. 18微博回应被国家网信办约谈处罚:接受批评,成立整改落实工作小组finance.ce.cn
  19. 19微博回应被网信办约谈处罚:推进软色情和同质化恶意营销专项治理chinaz.com
  20. 20微博将于11月17日发布2026年第三季度财报finance.sina.com.cn
  21. 21微博将于12月28日发布2020年第三季度财报finance.sina.com.cn
  22. 22微博将于2月26日发布2019年第四季度及全年财报tech.sina.com.cn
  23. 23微博宣布电商服务商扶持策略 推出“超V新星计划”finance.sina.com.cn
  24. 24微博宣布与苏宁合作:原SN战队正式更名为WBG战队,入席 LPL 联盟finance.jrj.com.cn
  25. 25微博与CBA达成战略合作 携手打造篮球社交“主场”finance.sina.com.cn
  26. 26为警示发布不当言论用户,微博上线“个人主页限制互动警示模块”功能itbear.com.cn
  27. 27中国联通宣布推出一站式互联网注册清理服务chinaz.com
  28. 28Maoyan Partners with iQIYI, Weibo to Release 2020 Mid-Year China Movie Market Reportprnewswire.com
  29. 29Weibo fined by Chinese regulator for publishing illegal informationthestar.com.my
  30. 30Weibo Reports First Quarter 2021 Unaudited Financial Resultsprnewswire.com
  31. 31Weibo Reports Fourth Quarter and Fiscal Year 2019 Unaudited Financial Resultsprnewswire.com
  32. 32Weibo Reports Third Quarter 2019 Unaudited Financial Resultsprnewswire.com
  33. 33Weibo Reports Third Quarter 2020 Unaudited Financial Resultsprnewswire.com

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