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performance

75 / 100 · Review before installing

Check before installing. Some of what it can do is expected: a security skill usually runs scanners and checks websites.

By idexal/idexal-skills (GitHub) · security · 13 stars · scanned at commit 7152f82

Optimize web performance for faster loading and better user experience. Use when asked to "speed up my site", "optimize performance", "reduce load time", "fix slow loading", "improve page speed", or "performance audit".

Works with any agent that supports SKILL.md skills.

What this skill can do

Safer alternatives

Low-risk skills in the same category (security) that look related. Check that one does what you need.

• 95 Low riskperformancesiesdart/jaspr-portfolio · 13 stars
• 100 Low riskswiftui-performance-auditfanfan-de/anybox · 55 stars
• 100 Low riskweb-performance-auditlionelsimai/claude-skills-collection · 38 stars

Install

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

if [ -e ~/.agents/skills/'performance' ] || [ -L ~/.agents/skills/'performance' ]; then echo 'A skill folder named performance already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/idexal/idexal-skills' "$d" && git -C "$d" checkout --quiet '7152f82d6734b10c03b70424e7c15016fecfc0b2' -- 'performance' && mkdir -p ~/.agents/skills && cp -R "$d"/'performance' ~/.agents/skills/'performance' && 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/'performance' ~/.claude/skills/'performance' (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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