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Technology

Millions of censored web pages discovered in massive study

By Chris Baraniuk

18 April 2018

A group of young people in Shanghai holding a rainbow flag take a selfie

China recently tried to get social media site Weibo to ban content relating to homosexuality

AFP/Getty Images

A huge swathe of web pages blocked by four countries has been discovered. The list of blocked sites is roughly ten times larger than previously documented and gives insights into the kind of content China, Indonesia, Iran and Turkey most commonly restrict online.

In China, news and media, search engines and translators were some of the most common pages to be blocked and in Indonesia it was personal ads and shopping sites. By far the biggest category blocked in Iran was blogs…

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