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Found 44 Skills
Performance optimization patterns for Mapbox GL JS web applications. Covers initialization waterfalls, bundle size, rendering performance, memory management, and web optimization. Prioritized by impact on user experience.
Analyze a Chrome DevTools Performance trace JSON file for performance anomalies, producing a structured audit report with critical issues, warnings, metrics, timeline hotspots, and actionable recommendations.
Develops high-performance Magento 2 storefronts using Hyvä theme framework. Use when working with Hyvä themes, Alpine.js, Tailwind CSS, or modern frontend development. Masters Alpine.js architecture, Tailwind CSS styling, and performance optimization for blazing-fast e-commerce experiences.
Use when performance requirements exist, when you suspect performance regressions, or when Core Web Vitals or load times need improvement. Use when profiling reveals bottlenecks that need fixing.
Conducts comprehensive Magento 2 performance analysis and optimization. Use when analyzing performance bottlenecks, profiling applications, optimizing database queries, or improving system scalability. Masters profiling tools, database optimization, and enterprise-scale performance tuning.
React and Next.js performance patterns. Use when writing, reviewing, or optimizing React components.
Use Lighthouse to perform performance audits on web pages and return JSON results, suitable for local development and CI regression testing
When the user wants to optimize images for search engines and performance. Also use when the user mentions "image SEO," "alt text," "image optimization," "WebP," "lazy loading," "LCP," "image sitemap," "responsive images," "srcset," "image format," or "hero image optimization."
Real User Monitoring (RUM), Web Vitals, user sessions, mobile crashes, page performance, user interactions, and frontend errors. Query web and mobile frontend telemetry.
Identifies and fixes performance bottlenecks in code, databases, and APIs. Measures before and after to prove improvements.
Deliver pre-rendered HTML content that was generated at build time for fast, cacheable pages.
Fetch and cache resources that may be requested soon to reduce future loading times.