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Found 107 Skills
React performance optimization specialist. Expert in DevTools Profiler, memoization, Core Web Vitals, bundle optimization, and virtualization. Use this skill for performance bottlenecks, slow renders, large bundles, or memory issues in React applications.
Comprehensive SEO optimization for web applications. Use when asked to improve search rankings, add meta tags, create structured data, generate sitemaps, optimize for Core Web Vitals, or analyze SEO issues. Works with Next.js, Astro, React, and static HTML sites.
Expert guidance on image optimization for web performance. Use when working with image formats (WebP, AVIF, JPEG, PNG, GIF, SVG, HEIC, JPEG XL), compression settings, responsive images, lazy loading, CDNs, Core Web Vitals, or any image-related web development task. Covers format selection, quality settings, srcset/sizes, picture element, art direction, fetchpriority, placeholder strategies (LQIP, blur-up, blurhash), container queries, HDR/wide color gamut, AI-powered image tools, edge/serverless processing, and performance optimization.
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."
React/Next.js 앱의 성능을 분석하고 최적화하는 스킬. 번들 사이즈, 렌더링 최적화, 코드 분할, 이미지 최적화, SSR/SSG 전략 등. "성능", "performance", "최적화", "느려", "번들 사이즈", "렌더링" 등의 요청 시 사용.
Performance optimization guidelines for web development including server-side rendering, CSS best practices, and JavaScript optimization
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).
Web performance measurement and debugging toolkit. Use when the user asks about web performance, wants to audit a page, or says "analyze performance", "debug lcp", "check ttfb", "measure core web vitals", "audit images", or similar.
Use this skill when running SEO audits, optimizing for AI search engines (AI Overviews, ChatGPT, Perplexity), generating schema markup, diagnosing traffic drops, fixing Core Web Vitals, managing site migrations, or building keyword strategies. Runs scored full-site audits (0-100 Health Score) across 21 modules including technical SEO, E-E-A-T, hreflang, and programmatic SEO. Three modes: Audit, Plan, Execute. NOT for PPC/Ads, social media management, or generic marketing strategy unrelated to organic search.
Implement performant responsive images with srcset, sizes, lazy loading, and modern formats (WebP, AVIF). Covers aspect-ratio for CLS prevention, picture element for art direction, and fetchpriority for LCP optimization. Use when: adding images to pages, optimizing Core Web Vitals, preventing layout shift, implementing art direction, or converting to modern formats.
Audit web pages for performance optimization following PageSpeed Insights guidelines. Use when analyzing page performance, optimizing web applications, reviewing performance metrics, implementing Core Web Vitals improvements, or when the user mentions page speed, performance optimization, Lighthouse scores, or Core Web Vitals.
Quick performance measurement using Lighthouse and Core Web Vitals. Use when user says "/perf", "성능 측정", "performance", "lighthouse", or wants to audit page performance. Supports single page or batch measurement.