To curb impression fraud in display advertising within affiliate marketing, a combination of technological and strategic measures is essential. Implementing ad verification tools and anti-fraud software helps detect bots, hidden ads, and suspicious traffic sources in real-time. Partnering with reputable affiliate networks that enforce strict compliance and transparency standards reduces the risk of fraud. Using viewability metrics ensures that advertisers pay only for ads seen by real users. Additionally, maintaining blacklists of known fraudulent sites and regularly auditing traffic sources improves campaign integrity. Employing multi-layered tracking systems and analyzing user behavior patterns can also reveal discrepancies indicative of fraud. Educating affiliates about ethical practices further supports a trustworthy environment. Together, these strategies protect advertisers' investments and strengthen the overall effectiveness of affiliate marketing campaigns.