The quality of subscribers is crucial to the success of push ads. High-quality subscribers are users who are genuinely interested in the content or product being promoted. They are more likely to engage with the ads, click through, and convert into paying customers. In contrast, low-quality subscribers may ignore or unsubscribe from push notifications, leading to lower click-through rates and wasted ad spend. Moreover, targeting the right audience improves campaign relevance, enhances user experience, and increases return on investment (ROI). Advertisers benefit more from a smaller, engaged audience than from a large, unresponsive one. Therefore, focusing on acquiring and maintaining high-quality subscribers is essential for effective push advertising and long-term marketing success.