UK price comparison website Moneysupermarket achieved a 14% rise in underlying pre-tax profit to £17.1m in the first half, as revenue increased across the business.Group revenue climbed 9% to £122.4m with growth in the MoneySuperMarket, MoneySavingExpert and TravelSupermarket brands.Chief Executive Officer Peter Plumb said the group is spending £17m this year to enhance the website for access on mobiles, tablets and PCs. The company will upgrade MoneySuperMarket.com systems, develop data assets, and improve the TravelSupermarket.com site."Helping customers with new ways to save money and select the products they need means we have to invest in our business," Plumb said.The interim dividend was lifted 7% to 2.31p per share.RD