I Built a Free Screen Resolution Checker — Here's What I Learned

I kept googling "what is my screen resolution" and landing on the same ad-heavy sites with tiny tools buried under popups and cookie banners. So I built my own. What it does My Screen Resolution instantly detects: Screen resolution (e.g. 1920×1080) Viewport size (the actual browser window) Device pixel ratio (1x, 2x, 3x for Retina) Color depth (24-bit, 30-bit, etc.) No install, no ads, works in any browser. The tech stack Next.js 15 with App Router Tailwind CSS 4 Framer Motion for animations Ser