13 skills found
Teaches resource loading sequence optimization for Core Web Vitals. Use when you need to improve FCP, LCP, or FID by reordering how critical resources are discovered and loaded.
Teaches resource preloading to prioritize critical assets. Use when critical resources like fonts, hero images, or key scripts are discovered late in the loading waterfall.
Teaches JavaScript compression techniques including Gzip and Brotli. Use when optimizing network transfer times or configuring server-side compression for production builds.
Audit and reduce Next.js browser initial-load work. Use for slow route startup, oversized client bundles, duplicate browser dependencies, or features that can wait for interaction.
This skill should be used when the user asks to "fix janky CSS animation", "make animation 60fps", "stop layout thrashing", "animate width/height/top/left smoothly", "convert animation to transform", "animate box-shadow performantly", "animate height auto", "FLIP animation", or "why is my scroll/hover animation choppy".
Next.js App Router SEO optimization and auditing. Use when implementing or fixing SEO in a Next.js app — metadata and generateMetadata, viewport/themeColor, Open Graph and og/twitter images (file conventions + ImageResponse), web app manifest, favicons/icons, sitemap.xml, robots.txt, canonical URLs, hreflang/i18n alternates, JSON-LD structured data and rich results, Core Web Vitals (LCP/INP/CLS), AI search/GEO and AI crawler rules (GPTBot, OAI-SearchBot), or diagnosing Google indexing problems (
Use this skill to write shell scripts or run shell commands to automate tasks in the browser or otherwise use Chrome DevTools via CLI.
Optimize web performance through network protocols, resource loading, and browser rendering internals. Use when the user mentions "page load speed", "Core Web Vitals", "HTTP/2", "resource hints", "network latency", "render blocking", "TCP optimization", "service worker", or "critical rendering path". Also trigger when diagnosing slow page loads, optimizing time to first byte, choosing between WebSocket and SSE, or reducing bundle sizes. Covers TCP/TLS optimization, caching strategies, WebSocket/
Use when investigating or improving WordPress performance (backend-only agent): profiling and measurement (WP-CLI profile/doctor, Server-Timing, Query Monitor via REST headers), database/query optimization, autoloaded options, object caching, cron, HTTP API calls, and safe verification.
Image optimization analysis for SEO and performance. Checks alt text, file sizes, formats, responsive images, lazy loading, CLS prevention, image SERP rankings (via DataForSEO), and image file optimization (WebP/AVIF conversion, IPTC/XMP metadata injection). Use when user says "image optimization", "alt text", "image SEO", "image size", "image audit", "optimize images", "image metadata", "image SERP", "convert to webp", or "image file optimize".
Optimize website and web application performance including loading speed, Core Web Vitals, bundle size, caching strategies, and runtime performance
Optimize Core Web Vitals (LCP, INP, CLS) for better page experience and search ranking. Use when asked to "improve Core Web Vitals", "fix LCP", "reduce CLS", "optimize INP", "page experience optimization", or "fix layout shifts".
