Understand and work with WebF's async rendering model - handle onscreen/offscreen events and element measurements correctly. Use when getBoundingClientRect returns zeros, computed styles are incorrect, measurements fail, or elements don't layout as expected.
Install
npx skills add openwebf/webf --skill webf-async-renderingnpx skills add openwebf/webf --skill webf-async-rendering -a claude-code -gnpx skills add openwebf/webf --skill webf-async-rendering -a codex -ggemini skills install https://github.com/openwebf/webf.git --path skills/webf-async-renderinggh skill install openwebf/webf webf-async-renderinggit clone --depth 1 https://github.com/openwebf/webf /tmp/openwebf__webf
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/openwebf__webf/skills/webf-async-rendering ~/.claude/skills/webf-async-rendering # Claude Code
cp -R /tmp/openwebf__webf/skills/webf-async-rendering ~/.agents/skills/webf-async-rendering # Codex, Cursor, Gemini CLI, Copilot, OpenCode