Q3 Digital Market Index Report: A Cheat Sheet to the Landscape
Many of the key digital performance shifts in Q3 2026 reflect Generative AI’s massive global adoption. Mobile app usage continued to outpace web activity, while digital advertising in the US reached near-record levels, and retail media channels saw significant diversification.
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Our quarterly report card for the digital economy is packed full of insights just like these. Over the course of 50+ pages (and 45+ interactive charts!) we’ll unpack the latest trends in mobile, web, and digital advertising — with plenty of actionable data points for professionals optimizing their strategies. Here’s a preview of the key takeaways:
Generative AI Drives App Monetization & Ad Surge: Non-gaming app monetization grew 15% YoY, propelled by the Generative AI category’s 103% growth. Meanwhile, Software emerged as the fastest-growing advertising vertical (+41% YoY), in part due to a 184% YoY surge in Generative AI brand campaigns led by ChatGPT.
Digital Attention Shifts to Native Apps, Pulling Attention Away from Web: Global web visits totaled 1.96 trillion in Q3 2026 (-3% YoY), while time spent fell to 397 billion hours (-4.4% YoY) as user attention migrated toward native mobile apps. Especially steep pullbacks were seen in the US (-8.5% YoY in time spent), France (-8.3%), and Germany (-8.2%).
US Digital Ad Spend Nears Record Peak: Digital ad spend in the United States grew 17.4% YoY this quarter, pulling within 2% of the historic holiday peak set in Q4 2025. Ad impressions expanded 5.3% YoY to 4.8 trillion, reflecting aggressive budget commitments and rising competition.
Retail Media Landscape Diversifies: While overall retail media impressions declined 16% YoY, Home Improvement brands (Lowe’s +1,214% YoY, Home Depot +274% YoY) and Walmart (+20% YoY) still found room for growth.