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🤖 From physical pixels and CSS pixels to PPI and device pixel ratio, then on to responsive images with rendered vs. intrinsic size and srcset descriptors.

🤖 Optimize LCP with preload, fetchpriority, responsive images and srcset. Covers Sharp image processing, CI/CD automation, and preload hints for better Core Web Vitals.

HTTP is an application-layer protocol for transferring hypermedia documents such as HTML. This post covers request and response messages.