AlgorithmsHow Baidu’s named algorithms work
Baidu enforces its rules through named, publicly announced algorithms. Each targets a specific manipulative pattern and is usually announced before…
Algorithms
AlgorithmsQingfeng: title spam and download traps
Qingfeng targets deceptive titles and download traps: pages whose title promises something the content does not deliver, and download pages…
AlgorithmsFenghuo: hijacking and back-button abuse
Fenghuo targets hijacking: sending users somewhere they did not choose, including breaking the browser back button so they cannot leave.…
Lantian: sold directories and news-source trading
Lantian targets the sale of directories and subdomains on trusted sites — typically news portals and universities renting space to…
AlgorithmsJinglei: click manipulation
Jinglei targets artificial click behaviour: services that simulate users searching for a term and clicking a result to inflate its…
AlgorithmsXiyu: B2B low-quality content
Xiyu targets low-quality B2B content: pages that exist to capture queries with contact details rather than to inform, and titles…
AlgorithmsJinfeng: aggregation page spam
Jinfeng targets aggregation pages: automatically assembled listings of links or search results that add nothing beyond the pages they point…
AlgorithmsJuifeng: scraped and collected content
Juifeng targets content collection: sites built by scraping other sites’ material, whether verbatim or lightly rewritten. What it detects Large…
AlgorithmsBingtong: intrusive mobile advertising
Bingtong targets mobile pages whose advertising or interstitials obstruct the content — the algorithm behind much of the Landing Page…
AlgorithmsLvluo: bought links and link trading
Lvluo targets link buying and selling: paid links, link networks and sites operating as link vendors. What it detects Sites…
AlgorithmsShiliu and Tianwang: ad-heavy pages and data security
Two older algorithms that remain in force. Shiliu targets pages dominated by advertising and pop-ups; Tianwang targets sites leaking user…