Speed at Google: What's New?
summary
Chrome adds a native loading attribute (images and iframes) since Chrome 76 and recommends feature-detection of the loading property with a data-src / class lazyload fallback to polyfills like lazySizes, Lighthouse gains Stack Packs, plugin and budget support plus a Chrome User Experience Report plugin, HTTP Archive finds 50% ship over a megabyte of JavaScript for many framework sites, and V8 speeds JSON parsing by up to 2.7×, all concrete changes and measurable gains.
AI-written summary · about
chapters (13)
- 0:00Introduction
- 0:29Why Google
- 2:28Lazy Loading
- 3:54Lazy Value
- 5:27Lazy Loaded Images
- 8:24Virtual Scrolling
- 10:41Custom Fonts
- 12:13Stack Packs
- 13:48Lighthouse Plugins
- 14:56Lighthouse Budgets
- 15:57HTTP Archive
- 17:48Guidance
- 19:15Optimizations
