Topic targeting allows advertisers to place ads on websites relevant to specific content categories, ensuring they reach audiences already interested in the subject matter. This contextual alignment increases the likelihood of engagement and conversions, as users are more receptive to ads that match their current interests or needs. Additionally, topic targeting helps reduce wasted impressions by focusing on high-intent traffic, which can improve ROI for affiliate marketers. Studies and industry reports support the idea that targeted advertising strategies, including topic targeting, outperform generic campaigns in both click-through and conversion rates. Overall, it enhances relevance and effectiveness in display ad performance.