CSE (Custom Search Engine) active AdSense accounts generate higher earnings for several reasons:

1. Targeted Ads: Since CSE enables users to perform specific searches, the displayed ads are more relevant. This increases the click-through rate (CTR).

2. Higher CPC (Cost Per Click): Search-based ads typically have a higher CPC compared to content-based ads because users are already looking for something specific and are more likely to engage with ads.

3. More Ad Impressions: CSE search result pages can display multiple ad units, increasing the total revenue potential.

4. Google’s Priority: Google considers search engine ads more valuable and may attract advertisers with larger budgets for these types of ads.

5. User Engagement: Visitors are more likely to click on ads while performing organic searches, contributing to overall revenue growth.

This is why CSE integrated with active AdSense accounts can generate higher earnings compared to standard content ads.