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Found 64 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).
Use when building or auditing web pages for speed: Core Web Vitals (LCP, INP, CLS), Lighthouse and PageSpeed scores, render-blocking resources, bundle size, fonts and caching. Not for visual design (sheleg-design) or conversion work. Opt out: no wiring, без обвязки. Triggers - "PageSpeed", "Lighthouse", "Core Web Vitals", "bundle size", "performance budget", "ускорить сайт", "медленно грузится", "вес бандла".
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.
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.
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.
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.
Performance Lighthouse Runner - Auto-activating skill for Frontend Development. Triggers on: performance lighthouse runner, performance lighthouse runner Part of the Frontend Development skill category.
Guard serialization and canvas-render pipeline performance against regressions. Use when modifying serializeTimelineDirect.ts or any hot path in the foreignObject/native render pipeline to ensure changes don't increase p95 frame-capture time.
Optimize application performance and scalability. Use when investigating slow applications, scaling bottlenecks, or improving response times. Use for profiling, caching, database optimization, frontend performance, and backend tuning.
Debug client-side issues using browser developer tools. Identify JavaScript errors, styling issues, and performance problems in the browser.
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.