: Sizes like 320×480 interstitials are still used but must be reserved for natural breaks in the user journey with strict frequency caps. 3. Purchasing & Optimization Strategies
: AI-driven programmatic networks are the primary method for purchasing the best ad space for a specific offer based on location, interest, and time of day. buy online banner advertising
: Continuously test variations of headlines, imagery, and CTAs to identify the highest-converting assets before scaling the budget. 5. Performance Metrics : Sizes like 320×480 interstitials are still used