Web Performance (Web Quality Skills)
SkillSpeed up a slow site: smaller bundles, smarter loading and fewer render-blocking resources.
by addyosmani Listed Jan 18, 2026
Clone or download it from github.com, then drop the folder into ~/.claude/skills/ (Claude Code) or your agent's skills directory.
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About Web Performance (Web Quality Skills)
From Addy Osmani's Web Quality Skills. A performance audit skill that walks your agent through the usual suspects on a slow page, such as heavy JavaScript, unoptimized images, fonts, caching and render-blocking assets, and turns findings into a prioritized fix list.
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