March 20, 2025
The Google Display Network (GDN) offers massive reach across millions of websites, apps, and videos, but not every placement is worth your ad spend. Low-quality sites, irrelevant apps, and mismatched audiences can drain your budget and damage your brand. In this guide, WhaleTraffic reveals the smartest tactics for blocking poor-performing placements, from account-level exclusions and mobile app filters to automated scripts and pre-built exclusion lists. Learn how to refine your ad targeting, cut wasted spend, and ensure your budget flows toward high-value opportunities. If you're ready to optimize your display campaigns and maximize your ROI, this post will help you navigate the right waters.