Unverified60% confidenceFactExact time
A Harvard Law School study found that approximately 50% of web links cited in U.S. Supreme Court opinions had become invalid within several years of the decision's publication.
2
Sources
60%
Confidence
Long-term
Relevance
7/16/2026
First Seen
Sources
Related Claims
UnverifiedResearch indicates that approximately 11% of links on the internet become invalid every two years on average.58% similarVerifiedAccording to a 2024 study by the Pew Research Center, approximately 38% of webpages that existed in 2013 are no longer accessible, a phenomenon known as "link rot."57% similarUnverified2023年的网络安全研究显示，约40%的优惠券相关搜索结果页面包含至少一个潜在恶意链接56% similarUnverifiedAfter tracking 900 American adults, Pew Research found that in ordinary Google searches, when an AI summary appears on the page, the proportion of users clicking result links drops sharply from 15% to 8%.55% similarUnverifiedAfter scoring the domain credibility of 61,212 citations, the study found that the domains cited by AI Overviews had a higher average credibility score than the traditional first-page results shown in the same search.54% similar
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