Report: Ad Spending Wasted on Invalid Traffic Reaches $63 Billion

The amount is expected to increase this year amid the rise of AI bots

The average invalid traffic rate across all media channels combined is 8.5 percent — or $63 billion lost to invalid traffic — according to "The Global Invalid Traffic Report 2026" released on Tuesday by Lunio. That figure is expected to grow significantly this year amid the ongoing rise of AI agents and bot traffic.