Baidu.com

Checked on February 3, 2026
Disclaimer: Factually can make mistakes. Please verify important information or breaking news. Learn more.

Executive summary

Baidu.com is the flagship domain of Baidu, Inc., a Beijing‑based technology company founded by Robin Li and Eric Xu in 2000 that grew from a search service into a diversified AI and internet‑services group [1] [2]. Once China’s dominant search engine and an early adopter of pay‑per‑click advertising, Baidu has repositioned itself as an “AI‑first” company while carrying baggage from close ties to the Chinese state and persistent concerns about content control and data practices [3] [4] [1].

1. Origins and ascent: from RankDex to Baidu.com

Baidu traces its technical roots to Robin Li’s RankDex algorithm and was formally incorporated in January 2000 by Li and Eric Xu; the company launched Baidu.com as its consumer portal after initially offering search services to other Chinese portals [1] [5] [3]. Early traction came from adopting advertising models — notably pay‑per‑click bidding for ad placement — that generated profit by the mid‑2000s and helped finance rapid expansion into services beyond search [3] [6].

2. Market dominance and business model

Baidu’s search engine became the primary gateway for Chinese internet users, commanding a large majority of domestic search traffic and deriving most revenue from online marketing and search engine marketing services, though exact market‑share figures vary across accounts [7] [2] [8]. The company has expanded revenue streams into iQIYI streaming, cloud, maps, and other mobile ecosystem apps, while investor materials describe a two‑segment structure: Baidu Core and iQIYI [4] [9].

3. Public markets and scale: listings and financial footprint

Baidu completed a U.S. IPO that transformed it into a global listed company and became the first Chinese firm included in the Nasdaq‑100, trading under BIDU with later secondary listings in Hong Kong; its reported revenues have hovered in the high‑teens billions in recent years according to public reporting [8] [10] [11]. Company and market summaries show continued scale — tens of thousands of employees and multibillion‑dollar revenues — even as Baidu navigates competition and regulatory shifts in China [10] [11].

4. The pivot to AI and new product bets

Baidu insists its mission is to “make the complicated world simpler through technology” and positions itself today as an AI company that invested heavily in core stacks like PaddlePaddle and ERNIE foundation models while offering products such as the ERNIE Bot and AI cloud services [4] [11]. Parallel investments in autonomous driving under the Apollo program and robotaxi services signal ambitions to commercialize AI beyond search; Apollo vehicles and related initiatives have been rolled out in major pilot programs [1] [10].

5. Censorship, state relationships, and reputational risk

Reporting and historical analysis emphasize that Baidu operates inside China’s tightly regulated digital ecosystem, where the company has been described as one of the most active platforms enforcing state content rules and is seen by Chinese authorities as a national champion — a relationship that strengthens market access but creates reputational and operational constraints [1]. Independent sources also note recurring concerns about content management, data privacy, and the limits that those constraints place on openness and international expansion [8] [1].

6. Competing narratives: innovator versus regulator’s partner

Baidu’s public narrative — a forward‑leaning AI innovator building foundational models and cloud infrastructure — is backed by tangible R&D investments and product launches [4] [11]. But alternative readings emphasize structural dependence on China’s domestic market, regulatory alignment with state priorities, and longstanding content‑control obligations that complicate claims of global neutrality or privacy leadership [9] [1]. Both narratives are supported in the record, and neither can be fully reconciled without further disclosures beyond the cited reporting.

Want to dive deeper?
How does Baidu’s ERNIE model compare technically and commercially to other large language models?
What regulatory actions has the Chinese government taken that specifically affected Baidu’s business operations since 2015?
How have Baidu’s autonomous driving projects under Apollo performed in safety and commercial deployment metrics?