Beyond fast with new performance features

on YouTube ↗12m

" summary

Demonstrates concrete wins: using content-visibility with contain-intrinsic-size drops layout on the 12MB HTML spec from 50 seconds to 400ms; font metric overrides (f-mods) let fallback fonts match web fonts to avoid big layout shifts and ship in Chrome 87; back/forward caching lands gradually in Chrome 86–87 to keep pages frozen in memory for instant back navigations; experimental Portals let a pre-rendered page activate into the top-level context for fast transitions; Quicklink reports Newegg +50% conversions and 4× faster navigations.

AI-written summary · about

" chapters (4)

1. 0:00Start
2. 2:57Font Metrics Override Descriptors
3. 6:47Portals
4. 10:38Preload and Prefetch Tags

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