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38% of webpages that existed in 2013 are no longer accessible a decade later
A quarter of all webpages that existed at one point between 2013 and 2023 are no longer accessible.
But even as users across the world rely on the web to access books, images, news articles and other resources, this content sometimes disappears from view. Second, for security reasons, many sites actively try to prevent the sort of automated data collection that we used to test our full list of links. Nearly half of all the Turkish-language tweets we collected – and a slightly smaller share of those written in Arabic – were no longer available at the end of the tracking period.
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