About 1 in 4 web pages now contain AI-written text August 2026, about 24% of crawlable web pages contained AI-generated or edited text, new study of 5.1 million pages from 2019 to 2026. Before 2022 the share was close to zero. And it is accelerating: from 4.6 percentage points per year between the beginning of 2023 and the beginning of 2025 to 8.1 points per year since then. Most of the growth is on sites that few others link to. They account for about four-fifths of the growth, while the most linked pages are less likely to have AI text. English pages have more of this than other languages. Government and university websites (.gov,.edu) have much less than . with. The team, led by researchers from the University of Washington and the University of Berkeley, used several artificial intelligence detectors and corrected for their false positives and false negatives.

About 1 in 4 web pages now contain AI-written text August 2026, about 24% of crawlable web pages contained AI-generated or edited text, new study of 5.1 million pages from 2019 to 2026. Before 2022 the share was close to zero. And it is accelerating: from 4.6 percentage points per year between the beginning of 2023 and the beginning of 2025 to 8.1 points per year since then. Most of the growth is on sites that few others link to. They account for about four-fifths of the growth, while the most linked pages are less likely to have AI text. English pages have more of this than other languages. Government and university websites (.gov,.edu) have much less than . with. The team, led by researchers from the University of Washington and the University of Berkeley, used several artificial intelligence detectors and corrected for their false positives and false negatives.