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Addy Osmani

Engineering lead on Chrome. Writes the performance and Core Web Vitals canon.

5 agent skills

Agent skills

  • core-web-vitals

    LCP, INP and CLS, fixed with field and lab evidence.

    Addy OsmaniPerformance

    Diagnose and repair page-experience regressions using real measurement rather than a guess about what got slow.

    npx skills add https://github.com/addyosmani/web-quality-skills --skill core-web-vitals

  • performance

    Load time, bundle size and the audit that finds where it went.

    Addy OsmaniPerformance

    General web performance work such as "speed up my site" or "why is this slow", with the fixes ordered by payoff.

    npx skills add https://github.com/addyosmani/web-quality-skills --skill performance

  • accessibility

    Audit and improve accessibility against WCAG 2.2.

    Addy OsmaniAccessibilityReview

    Contrast, keyboard navigation, screen reader support and the rest, checked against the current standard rather than a folk memory of it.

    npx skills add https://github.com/addyosmani/web-quality-skills --skill accessibility

    AccessibilityReviewFull page & trust audit →
  • seo

    Meta tags, structured data, sitemaps and search visibility.

    Addy OsmaniSystemsReview

    The technical half of being found: what to emit, what crawlers do with it, and which of it actually moves ranking.

    npx skills add https://github.com/addyosmani/web-quality-skills --skill seo

  • web-quality-audit

    One evidence-led pass over performance, accessibility, SEO and best practice.

    Addy OsmaniReviewPerformance

    The whole-site check, run from measurement rather than opinion, with the findings ordered by what they cost the user.

    npx skills add https://github.com/addyosmani/web-quality-skills --skill web-quality-audit

    ReviewPerformanceAccessibilityFull page & trust audit →

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