When a product team ships video across landing pages, dashboards, and onboarding flows, the difference between a 16:9 hero clip and a 9:16 mobile preview is rarely a creative decision. It is an engineering decision hiding behind a player, a CDN transform, and a CSS rule. If you have ever shippe...
Source: [Dev.to](https://dev.to/lizely/aspect-ratio-mismatches-in-production-a-frontend-teams-crop-qa-checklist-2njb)