研究：2026 年约 24% 网页含 AI 生成内容
UC Berkeley与华盛顿大学联合研究显示，截至2026年8月，约24%的可抓取网页包含AI生成或编辑文本。数据表明AI内容渗透率加速增长，且主要由低权重的小型网站驱动，而非核心高流量站点。
报道正文
Rohan Paul (@rohanpaul_ai) · 2026-10-29 21
New study from UC Berkeley and Univ of Washington found that about 24% of crawlable webpages held AI-generated or AI-edited text by August 2026, up from almost none before 2022.
They sampled 5.1M pages from Common Crawl snapshots spanning 2019 to 2026, in every language. A statistical model corrected for each detector's false alarms and misses, using pre-2022 pages as a near-AI-free baseline.
Yearly growth nearly doubled, from 4.6 points between early 2023 and early 2025 to 8.1 points after that. Small, little-linked sites drove 78.8% of the rise, while the most central sites were least likely to have AI text.
