Foundations: Why Image Optimisation Matters & How Browsers Load Images

Sunday, May 24, 2026

Part 1 of 8 — Image Optimisation for the Modern Web

It's a familiar pattern. A team profiles their app to figure out why a page feels slow. The JavaScript bundle is lean. The API is fast. The CSS is minified, gzipped, and tree-shaken. Everything the performance checklists ask for has been done....

Upgrade your plan to view premium content

You need to upgrade to Yearly/Lifetime subscription to view this content
All premium questions
High-quality solutions
AI code reviews
Frontend System Design interview guide
Select Questions by Company