If your ads are freezing or buffering, it’s likely due to file size, format, or hosting issues. Start by ensuring your video is in a web-friendly format like MP4 (H.264 codec) and is optimized for quick loading, even on slower connections. Check the file size—smaller files load faster and reduce buffering. If you’re hosting the ad on a platform like YouTube, double-check their technical requirements. If you're using a CDN, make sure it’s configured properly. Testing your ad across devices and connections can also help spot issues early.