Imagine this. You’ve just finished building your app. You test it on your laptop—everything loads instantly. Animations are smooth. Pages transition beautifully. You launch. Then the messages start coming in: “It’s slow on my phone.” “It takes forever to load.” “It freezes sometimes.” What happened? Your app wasn’t tested in the real world. And in the real world, users don’t have: High-end devices Fast internet Unlimited patience This is where cross-platform performance optimization becomes critical. If your app isn’t fast on all devices, it’s not truly fast. ⚡ Why Performance Across Platforms Matters Today’s users access apps from: 📱 Low-end smartphones 💻 Mid-range laptops 🌐 Slow or unstable networks 📟 Different browsers and OS versions That means performance is not just a technical issue—it’s a user experience issue.…