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core-web-vitals

100 / 100 · Low risk

Fine to try.

By kostja94/marketing-skills (GitHub) · marketing · 1,104 stars · scanned at commit ac823a1

When the user wants to optimize Core Web Vitals, fix LCP, INP, or CLS issues. Also use when the user mentions "Core Web Vitals," "CWV," "LCP," "INP," "CLS," "FID," "page speed," "page performance," "Largest Contentful Paint," "Interaction to Next Paint," "Cumulative Layout Shift," or "Page Experience." For GSC CWV, use google-search-console.

Works with any agent that supports SKILL.md skills.

What this skill can do

We found nothing in the files we read that matches our rules. That does not prove the skill is safe: see the limits of static scanning.

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'core-web-vitals' ] || [ -L ~/.agents/skills/'core-web-vitals' ]; then echo 'A skill folder named core-web-vitals already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/kostja94/marketing-skills' "$d" && git -C "$d" checkout --quiet 'ac823a127782355339f21aef6c87f1ccff751c84' -- 'skills/seo/technical/core-web-vitals' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/seo/technical/core-web-vitals' ~/.agents/skills/'core-web-vitals' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'core-web-vitals' ~/.claude/skills/'core-web-vitals' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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