Adaptive “green UX” for Angular: auto-switches eco / balanced / pro modes from real runtime signals (network, device, motion). Ships with SCSS tokens, modeClass directive, SSR-safe sensing, mode-aware preloading, Speculation Rules, and smart images.

Browser extension overlaying the page's request waterfall with computed fetch priorities; flags render-blocking and late-discovered critical assets.

Lint browser resource hints (preload/prefetch/preconnect) and fetchpriority in built HTML — scored, CI-ready, zero dependencies.

Codemod that adds fetchpriority and resource hints (preload/preconnect, lazy loading) across HTML, Next.js, Nuxt, and Astro templates.