addyosmani/agent-skills
Apr 2026 – Jun 2026
2 Months active
Languages Used
HTMLJavaScriptMarkdownTypeScriptJSON
Technical Skills
Developer ToolsDocumentationFront End DevelopmentFrontend DevelopmentImage OptimizationPerformance Optimization
Joan Leon
PROFILE
Joan Leon
Contributed to the addyosmani/agent-skills repository by delivering features that enhanced web performance auditing and documentation. Focused on consolidating performance optimization guidance and improving CLI documentation, the work included updates to checklists and measurement strategies for TTFB, image optimization, and Core Web Vitals. Implemented a new web performance auditing persona and streamlined Chrome DevTools MCP installation, reducing onboarding friction and clarifying architectural boundaries between auditing and implementation. Leveraged TypeScript, JavaScript, and Markdown to ensure technical accuracy and maintainability. The contributions enabled faster adoption of best practices and provided actionable insights for teams seeking reliable web performance improvements.
Overall Statistics
Feature vs Bugs
80%Features
Repository Contributions
9Total
Bugs
1
Commits
9
Features
4
Lines of code
442
Activity Months2
Work History
June 2026
3 Commits • 2 Features
Jun 1, 2026In June 2026, the team delivered essential capabilities in the addyosmani/agent-skills repository that improve onboarding, auditing accuracy, and architectural clarity. Key features were implemented to streamline setup, enable actionable performance insights, and tighten boundaries between auditing and implementation.
3 Commits • 2 Features
Jun 1, 2026In June 2026, the team delivered essential capabilities in the addyosmani/agent-skills repository that improve onboarding, auditing accuracy, and architectural clarity. Key features were implemented to streamline setup, enable actionable performance insights, and tighten boundaries between auditing and implementation.
June 2026
April 2026
6 Commits • 2 Features
Apr 1, 2026April 2026: Consolidated performance optimization guidance and CLI documentation enhancements for addyosmani/agent-skills. Delivered comprehensive updates across performance documentation and checklists, expanded INP coverage, and improved Gemini CLI configuration and auto-discovery guidance, enabling faster adoption of best practices and more reliable web performance implementations.
April 2026
6 Commits • 2 Features
Apr 1, 2026April 2026: Consolidated performance optimization guidance and CLI documentation enhancements for addyosmani/agent-skills. Delivered comprehensive updates across performance documentation and checklists, expanded INP coverage, and improved Gemini CLI configuration and auto-discovery guidance, enabling faster adoption of best practices and more reliable web performance implementations.
Activity
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Quality Metrics
Correctness100.0%
Maintainability100.0%
Architecture100.0%
Performance100.0%
AI Usage40.0%
Skills & Technologies
Programming Languages
HTMLJSONJavaScriptMarkdownTypeScript
Technical Skills
DevToolsDeveloper ToolsDocumentationFront End DevelopmentFrontend DevelopmentImage OptimizationPerformance OptimizationTechnical WritingWeb DevelopmentWeb PerformanceWeb Performance Optimizationauditingbrowser testingcommand designcommand line interface
Repositories Contributed To
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