Google Analytics is a free web analytics service that provides statistics and tools to analyze website traffic and marketing campaigns. It can track metrics like leads, sales, and ROI. Using Google Analytics, businesses have increased profits and optimized their digital strategies. The Amari Hotel Group saw a 44% boost in online bookings in one month by analyzing visitor paths with the Multi-Channel Funnels report. Ariat International increased conversion by 14% and per-visit value by 17% by testing content and optimizing marketing channels. Mobile analytics are also important as more interaction occurs on smartphones. The future includes universal analytics across devices and remarketing to reach customers across platforms.