The figure represents an increase of 4.62 per cent on April; average daily unique browsers to the site increased by one per cent month-on-month to 2,390,095.
In May all national titles recorded traffic increases month on month, for both monthly and daily figures. The Guardian took second place with 2,010,341 daily browsers, a month on month rise by 9.42 per cent.
For April, March and May no figures have been reported for The Sun and Times websites at News International's request, ahead of paywall plans at the Times and Sunday Times.
The full figures for the four audited titles and Mirror Group's websites are listed below. The percentage in brackets indicates the month-on-month change compared with the April ABCe report:
Mail Online
Average daily unique browsers: 2,390,095 (+1.00 per cent)
Monthly unique browsers: 42,370,127 (+4.62 per cent)
Guardian.co.uk
Average daily unique browsers: 2,010,341 (+9.42 per cent)
Monthly unique browsers: 35,693,318 (+11.89 per cent)
Telegraph.co.uk
Average daily unique browsers: 1,663,877 (+5.09 per cent)
Monthly unique browsers: 32,500,512 (+7.52 per cent)
Mirror Group
Average daily unique browsers: 502,382 (+13.72 per cent)
Monthly unique browsers: 10,723,595 (+14.94 per cent)
Independent.co.uk
Average daily unique browsers: 481,954 (+5.86 per cent)
Monthly unique browsers: 10,585,281 (+7.23 per cent)
TheSun.co.uk
No data available
Times Online
No data available
Newspaper monthly unique browsers since May 2009:
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