In the ever-evolving landscape of digital technology, the line between "websites" and "mobile applications" is becoming increasingly blurred. Have you ever visited a website and seen a pop-up asking, "Add to Home Screen"? Upon clicking it, an icon appears, and the site functions exactly like a high-end app—offline access, push notifications, and smooth transitions—without ever visiting an App Store. Welcome to the world of Progressive Web Apps (PWA). As a web development expert, I can tell you: PWA is not just a trend; it's a fundamental shift in digital value delivery. This guide explores why PWA is the secret weapon for modern businesses in 2026. Table of Contents 1. Defining PWA: The Bridge Between Two Worlds 2. The Core Pillars: Service Workers, Manifest, and HTTPS 3. The "Illegal" Advantages for Users and Businesses 4. PWA vs. Native Apps: An Honest Comparison 5. Real-World Success Stories (Twitter, Starbucks) 6. Conclusion: The Future o...