Baidu

Dominant search advertising platform in China with 70%+ search market share; top-3 digital ad platform in China by revenue

Baidu is China's leading internet search engine and AI technology company, founded in 2000 by Robin Li and Eric Xu. Often referred to as the 'Google of China,' Baidu operates a massive ecosystem of products and services centered around its core search engine, which serves hundreds of millions of users daily. Its advertising platform — anchored by search advertising (pay-per-click) and display advertising — generates the vast majority of its revenue, making it one of the largest digital advertising businesses in Asia. In the AdTech ecosystem, Baidu offers a comprehensive suite of tools including Baidu Marketing (formerly Phoenix Nest), its self-serve PPC advertising platform, as well as programmatic display, native advertising, and video ad solutions through its iQIYI streaming subsidiary. Baidu's advertising technology is deeply integrated with its AI capabilities, leveraging natural language processing, computer vision, and machine learning to power targeting, bidding optimization, and audience segmentation at scale. The Baidu Audience Network extends reach beyond search to third-party apps and sites across China. Baidu holds a dominant position in China's search advertising market and competes broadly with Alibaba, Tencent, and ByteDance for digital ad spend. The company has invested heavily in AI, autonomous driving (Apollo), and cloud services, positioning itself as a technology platform beyond pure advertising. However, its ad revenue has faced pressure from the rise of short-video platforms like Douyin (TikTok's Chinese counterpart) and increased regulatory scrutiny in China. Baidu remains a critical gateway for advertisers seeking to reach Chinese consumers online.