At 25, Wikipedia Navigates a Quarter-Life Crisis in the Age of A.I.

Traffic to Wikipedia, the world’s largest online encyclopedia, naturally ebbs and flows with the rhythms of daily life—rising and falling with the school calendar, the news cycle or even the day of the week—making routine fluctuations unremarkable for a site that draws roughly 15 billion page views a month. But sustained declines tell a different story. Last October, the Wikimedia Foundation, the nonprofit that oversees Wikipedia, disclosed that human traffic to the site had fallen 8 percent in...