1) npower is a large UK utility company that uses web analytics at micro, meso, and macro levels to inform website decisions. 2) At the micro level, analytics help with prioritizing bug fixes, navigation improvements, and minor text changes to increase conversion rates. 3) At larger levels, analytics showed connecting journeys increased conversions but initially hurt sales, while later marketing campaigns improved by measuring post-session behavior. 4) A new homepage strategy based on analytics-driven decision rules improved the customer experience and key metrics.