Playback QA. Mobile-carrier proxies located near edge POPs keep latency below the 200 ms threshold Vimeo recommends for 4K HLS segments
Rights verification. By hopping exits across territories, legal teams confirm that “Sorry, this video cannot be played in your region” only appears where contracts demand it, an essential audit step after the Spring 2025 geo-blocking release
Ad QA. Programmatic buyers ensure their mid-roll or companion banners render exactly where the bid targeted—vital as retail-media spend heads toward $30 billion by 2026