World History Encyclopedia, the second most visited history site, says its traffic fell 25% in Nov. 2024 after AI search tools began presenting its information (Alex Kantrowitz/Big Technology)

Alex Kantrowitz / Big Technology: World History Encyclopedia, the second most visited history site, says its traffic fell 25% in Nov. 2024 after AI search tools began presenting its information  —  World History Encyclopedia CEO Jan van der Crabben saw his site show up in Google's AI Overviews and ChatGPT.  Then traffic dropped 25%.

Mar 29, 2025 - 12:26
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World History Encyclopedia, the second most visited history site, says its traffic fell 25% in Nov. 2024 after AI search tools began presenting its information (Alex Kantrowitz/Big Technology)

Alex Kantrowitz / Big Technology:
World History Encyclopedia, the second most visited history site, says its traffic fell 25% in Nov. 2024 after AI search tools began presenting its information  —  World History Encyclopedia CEO Jan van der Crabben saw his site show up in Google's AI Overviews and ChatGPT.  Then traffic dropped 25%.