Weibo

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Chinese social-network company operating the Weibo microblogging platform.

Last updated November 2, 2026

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First read: Nov 4, 2026
Latest read: Nov 4, 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]Weibo Corporationen.wikipedia.org
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]Weibo Corporationen.wikipedia.org
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.
Source
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.
Source
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.
Source
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.
Source
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.
Source

2022.02.21
Weibo responds to reports of layoffs[7]微博回应裁员传闻yicai.com
After online reports alleged widespread layoffs and employees being asked to resign, Weibo said some organizational adjustments were being made, employees affected would be reassigned where possible or receive compensation, and it denied that layoffs were occurring.
Unconfirmed
China Unicom launches internet account registration cleanup service[8]中国联通推出互联网账号注册清理服务chinaz.com
China Unicom, together with the CAICT number-service group and some internet companies, launched a one-stop service for handling registration information linked to phone numbers across internet platforms. The service was available for trial use in Beijing, Jiangsu and Zhejiang.
2022.01.15
Reported2022.01.15
Maoyan Movie joins Weibo Microservice[9]猫眼电影入驻微博微服务ent.sina.com.cn
Maoyan Movie joined Weibo Microservice, where users can mark films they want to see and buy tickets. The article describes Weibo and Maoyan as working together to provide movie promotion and ticketing services.
Unconfirmed
Beijing regulator fines Sina Weibo’s operator[4]Beijing regulator fines Sina Weibo’s operatorfinance.jrj.com.cn
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.
Unconfirmed
Weibo penalized by China’s cyberspace regulator[5]Weibo penalized by China’s cyberspace regulatorchinaz.com
China’s Cyberspace Administration summoned and penalized Weibo. The supplied report does not specify the penalty details.
2021.11.22
Weibo and Suning announce cooperation involving WBG[10]微博宣布与苏宁合作，WBG战队更名finance.jrj.com.cn
Weibo announced that it had reached a cooperation with Suning. A related announcement said the former Suning Esports Club’s League of Legends division had become WBG (Weibo Gaming).
Unconfirmed
Weibo announces planned rules against misconduct by entertainment marketing accounts[3]Weibo announces planned rules against misconduct by entertainment marketing accountschina.qianlong.com
Weibo said it would introduce rules to penalize entertainment marketing accounts that publish rumors, promote boycotts, or post vulgar gossip, as part of its measures to address disorder in fan communities.
2021.08.02
Weibo launches profile interaction-restriction warning feature[11]微博上线个人主页限制互动警示功能itbear.com.cn
Weibo launched a profile feature that warns users who post inappropriate remarks and restricts interactions, with the stated aim of curbing personal attacks and promoting a healthier platform ecosystem.
2021.07.20
Reported2021.07.21
Chinese internet regulator fines platforms over sexually suggestive content involving children[6]Chinese internet regulator fines platforms over sexually suggestive content involving childrenthestar.com.my
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.
2021.05.27
Reported2021.05.27
Clearblue launches 'Know Yourself' public-service video[12]可丽蓝推出“知己而生”公益视频prnasia.com
Clearblue partnered with five prominent mother influencers on Weibo to launch a public-service video featuring five women's experiences while trying to conceive. The video advocates understanding and accepting oneself and calls for greater understanding and support for women trying to conceive.

Sources37 sources

Cite this profile: Cite the canonical profile. /brand-wiki/weibo · Editorial policy · How profiles are compiled

Overview

History

Products and positioning

Controversies

Recent events

Sources37 sources