Guardian Unlimited and Timesonline.co.uk have claimed record online readerships for January.

ABCe figures released today showed the Guardian had its biggest-ever audience with 15,703,012 million unique users and 153,441,451 page impressions last month.

Over the same period, Timesonline.co.uk claimed a record 74,451,202 page impressions with 10,891,378 unique users - more than two million more users than in December.

The figures are the first since ABC Electronic's announcement, in December, to replace page impressions with the unique user metric as the mandatory minimum to be certified.

Prior to the metric switch, the Sun registered 162,024,293 page impressions and had 7,177,946 uniques in December.

In November, the Telegraph had 63,009,280 page impressions from 6,374,362 unique visitors.

Both the Times and the Guardian have seen growth of around three million monthly unique users over the course of the past year.

In January last year, Timesonline claimed 7,732,278 unique users. The Guardian was not ABCe audited for users in January 2006; however in March last year it registered just less than 13 million unique users.

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