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Harness-engineering perf-cumulative-layout-shift

name: perf-cumulative-layout-shift

install
source · Clone the upstream repo
git clone https://github.com/Intense-Visions/harness-engineering
manifest: agents/skills/codex/perf-cumulative-layout-shift/skill.yaml
source content

name: perf-cumulative-layout-shift version: '1.0.0' description: CLS measurement — layout shift sources, impact/distance fractions, prevention strategies stability: static cognitive_mode: advisory-guide type: knowledge tier: 3 triggers:

  • manual platforms:
  • claude-code
  • gemini-cli
  • cursor
  • codex tools: [] paths: [] related_skills:
  • perf-layout-reflow
  • perf-paint-compositing
  • perf-largest-contentful-paint
  • perf-interaction-to-next-paint
  • perf-performance-api
  • css-performance-patterns stack_signals: [] keywords:
  • CLS
  • cumulative layout shift
  • Core Web Vitals
  • layout shift
  • aspect ratio
  • content-visibility
  • font loading
  • image dimensions
  • dynamic content metadata: author: community state: persistent: false files: [] depends_on: []