• The Guardian, Tuesday, July 23, 2013 1 PM

The birth of the Duke and Duchess of Cambridge's baby boy provided Mail Online with its biggest ever audience, while UK traffic to newspaper and other media websites rose almost 50%, making it the biggest online news day of the year so far. Mail Online recorded 10.57 million unique users on Monday, according to unofficial internal figures – 1 million more than its previous published record achieved covering the Boston marathon bombing in April – with its biggest ever hour of traffic (1.09 million unique users) coming from 8pm to 9pm when the birth was officially announced.

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