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Found 49 Skills
This skill should be used when the user wants to optimize Next.js frontend performance using Lighthouse, bundle analysis, and animation best practices. Use when diagnosing slow pages, optimizing bundle size, or improving Core Web Vitals (LCP, TBT, CLS).
Improve interface performance across loading speed, rendering, animations, images, and bundle size. Makes experiences faster and smoother.
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.
Optimize a Next.js app that has `cacheComponents: true` — either the static shell on first paint, or the in-app navigation between routes. Picks the matching diagnostic loop and runs it.
Analyzes and optimizes application performance across frontend, backend, and database layers. Use when diagnosing slowness, improving load times, optimizing queries, reducing bundle size, or when asked about performance issues.
Render your application's UI entirely on the client using JavaScript.
Frontend development specialist covering React 19, Next.js 16, Vue 3.5, and modern UI/UX patterns with component architecture. Use when building web UIs, implementing components, optimizing frontend performance, or integrating state management.
TanStack Virtual for virtualizing large lists, grids, and tables. Use when rendering thousands of rows, implementing infinite scroll, or optimizing large data displays. Use for virtual, virtualize, virtual-list, virtual-scroll, useVirtualizer, infinite-scroll, windowing.
Real User Monitoring (RUM), Web Vitals, user sessions, mobile crashes, page performance, user interactions, and frontend errors. Query web and mobile frontend telemetry.
Performance Lighthouse Runner - Auto-activating skill for Frontend Development. Triggers on: performance lighthouse runner, performance lighthouse runner Part of the Frontend Development skill category.
Deep Core Web Vitals and page speed audit. Use when the user asks about page speed, Core Web Vitals, LCP, CLS, INP, FCP, TTFB, Lighthouse scores, why a page is slow, performance optimization, or resource size analysis. For broader technical SEO issues, see diagnose-seo.
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.