How I Found and Fixed 5 Critical Lighthouse Issues in a WebGL 3D Landing Page (With a Python CLI)

A few months ago, I was building a B2B landing page that embedded a 3D industrial model using . The page looked great visually. Then I ran Lighthouse. Score: 42/100. Here are the 5 issues I found -- and what made each one non-obvious: Google Fonts was loading wght@300;400;500;600;700;800 -- 6 weight