Credit checking firm Experian saw improving trends across all regions in the first half of its financial year.Revenue from continuing activities in the six months to 30 September was up 8% at constant exchange rates, while organic revenue growth was 7%.Total group revenue improved to $2bn from $1.9bn the year before.Profit before tax fell to $283m from $316m, while earnings before interest and tax (EBIT) rose 10% to $484m.The interim dividend has been hiked 29% to $0.09."We performed strongly in the first half, delivering our best organic revenue growth outcome in four years. Trends have improved modestly, with generally more favourable conditions across the majority of our markets," said Don Robert, chief executive of Experian."For the year as a whole, we expect to deliver similar rates of organic revenue growth to the first half, and we are targeting modest improvement in our EBIT margin," Robert added.