This month, USA Today published an excellent report that revealed how US Immigrations and Customs Enforcement delayed disclosing key information about the impacts of its detainment policies. The authors used the Internet Archive’s Wayback Machine to compile and analyze detention statistics from ICE and track how the agency had changed under the Trump administration. The story is one of countless examples of how the Wayback Machine, which crawls and preserves web pages, has helped preserve information for the public good. It was also, Wayback Machine director Mark Graham says, “a little ironic.”

USA Today Co., the publishing conglomerate formerly known as Gannett that runs both its namesake paper and over 200 additional media outlets, bars the Wayback Machine from archiving its work. “They're able to pull together their story research because the Wayback Machine exists. At the same time, they're blocking access,” Graham says.

A number of other major journalism organizations have also recently moved to restrict the Wayback Machine from archiving their stories, including The New York Times. According to analysis by the artificial-intelligence-detection startup Originality AI, 23 major news sites are currently blocking ia_archiverbot, the web crawler commonly used by the Internet Archive for the Wayback project. The social platform Reddit is too.

Other outlets are limiting the project in different ways: The Guardian does not block the crawler, but it excludes its content from the Internet Archive API and filters out articles from the Wayback Machine interface, which makes it harder for regular people to access archived versions of its articles.