Q1 2026 Ad Fraud Benchmarks Report for EMEA

Why It Matters

The elevated IVT, especially on CTV, highlights growing fraud risk that can erode advertiser ROI, making these benchmarks essential for media buyers to safeguard spend. The granular insights enable more precise fraud‑prevention strategies across devices and markets.

Key Takeaways

• UK web IVT sits at 17%, Germany at 14%
• Mobile app IVT exceeds 28% in both UK and Germany
• CTV shows highest fraud, over 44% in both markets
• Global web IVT 20%; mobile app 39%; CTV 25%
• Pixalate analyzed 82 billion programmatic impressions for Q1 2026

Pulse Analysis

Ad fraud remains a top concern for programmatic buyers, and Pixalate's Q1 2026 benchmark report provides the most recent snapshot of Invalid Traffic across key EMEA markets. By dissecting over 82 billion impressions, the study reveals that while web traffic maintains a relatively moderate IVT rate, mobile‑app environments are already approaching a 30% fraud threshold. These figures underscore the need for continuous monitoring and advanced detection tools, especially as advertisers shift budgets toward mobile and over‑the‑top platforms.

The report’s device‑level breakdown uncovers a striking disparity: Connected TV (CTV) exhibits the highest IVT, with rates above 44% in both the UK and Germany. This surge reflects the rapid adoption of CTV inventory and the lag in robust verification standards compared to traditional web channels. Marketers allocating spend to CTV must therefore prioritize vetted supply paths and leverage MRC‑accredited solutions to mitigate exposure. Meanwhile, the mobile‑app sector’s near‑30% IVT signals that bot traffic and fraudulent app placements remain pervasive, demanding stricter app‑ads.txt compliance and real‑time traffic validation.

For industry stakeholders, Pixalate’s benchmarks serve as a strategic compass. Advertisers can calibrate bidding strategies, publishers can benchmark their own traffic quality, and ad‑tech platforms can refine fraud‑prevention algorithms based on these granular insights. As regulatory scrutiny intensifies and brand safety concerns grow, the ability to differentiate legitimate impressions from sophisticated invalid traffic will become a competitive advantage. Looking ahead, continued investment in AI‑driven detection and cross‑device attribution will be critical to preserving ad spend efficiency and restoring confidence in the digital media ecosystem.