The update coincides with the launch of new data reports for consumer magazines, released today.

The new reports highlight key metrics, incorporate graphs and charts, and will simplify reporting processes, bringing greater clarity for media agencies and owners, according to ABC. The update also aims to make comparison of individual titles easier for publishers.

The changes are being rolled out from this week, firstly with new reports for consumer magazines, while regional reports will follow on 1 March. Updated standards for national newsbrands and B2B media will follow later in the year, with agency and media owner consultations currently taking place.

Simon Redlich, chief executive at ABC, said the changes to the service are the result of "in-depth consultation" with agencies and publishers. He added: "Our focus has been to actively support publishers’ efforts to grow circulation whilst maintaining the trust that ABC stands for."

Duncan Tickell, managing director of advertising and international at Immediate Media, said the new standards will help publishers to demonstrate growing brand reach, adding: "The new look certificates make it easier to present the benefits of all our routes to market."