How Much of the Internet Is Written With AI?

Pew Research Center

Samuel Bestvater

Research

12 Pages

The authors examine how quickly AI-authored text is spreading across the web. In July 2026, 10% of sampled webpages showed significant AI signals, rising above one-third among pages published after ChatGPT’s launch, with .com sites far more affected than .edu or .gov domains.

Key Takeaways

AI content spreads: In July 2026, 10% of sampled webpages showed significant AI authorship signs, versus over one-third among pages published after ChatGPT launched.
Commercial sites lead: Around 10% of .com pages showed AI signs in 2026, versus 4.6% of .org pages and roughly 1% of .edu and .gov.
Language patterns shift: Since 2023, em-dash usage roughly doubled, Oxford commas rose 63%, AI-favored vocabulary more than doubled, and negative parallelism nearly tripled.
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