[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"skill:01M71AS90ZCMD0B5WACMA3J11T":3,"skill-same:01M71AS90ZCMD0B5WACMA3J11T":68},{"skillNo":4,"name":5,"nameZh":6,"description":7,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":16,"categories":17,"keywords":18,"publishedAt":37,"linkOnly":38,"markdownContent":39,"markdownBody":40,"frontMatter":41,"refName":44,"commitSha":45,"skillDirectory":46,"forksCount":47,"repositoryHtmlUrl":48,"repositoryHomepageUrl":49,"ownerHtmlUrl":50,"ownerBlogUrl":51,"ownerDescription":52,"updatedAt":53,"install":54,"resources":67},"01M71AS90ZCMD0B5WACMA3J11T","core-web-vitals",null,"When the user wants to optimize Core Web Vitals, fix LCP, INP, or CLS issues. Also use when the user mentions \"Core Web Vitals\", \"CWV\", \"LCP\" or \"INP\". For GSC CWV, use google-search-console.","ariadoss\u002Fsuperskills","ariadoss","https:\u002F\u002Favatars.githubusercontent.com\u002Fu\u002F414341?v=4","01M71AC7383PT6JCRZSQJ4AVTM","Danilo Stern-Sapad","01M71AC73Y7NTBTJ9KQYNENRRE",12,"MIT","https:\u002F\u002Fgithub.com\u002Fariadoss\u002Fsuperskills\u002Fblob\u002Fmain\u002Fmarketing-skills\u002Fseo\u002Ftechnical\u002Fcore-web-vitals\u002FSKILL.md",[],[19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36],"vitals","web vitals","web","core web vitals","core","user","google","console","optimize","when","use","google-search-console","issues","fix","search-console","gsc","search","for","2026-11-10 10:12:30",false,"---\nname: core-web-vitals\ndescription: When the user wants to optimize Core Web Vitals, fix LCP, INP, or CLS issues. Also use when the user mentions \"Core Web Vitals\", \"CWV\", \"LCP\" or \"INP\". For GSC CWV, use google-search-console.\nmetadata:\n  version: 1.0.1\n---\n\n# SEO Technical: Core Web Vitals\n\nGuides optimization of Core Web Vitals (CWV)—Google's user experience metrics that affect search ranking. CWV are confirmed ranking factors for mobile and desktop.\n\n**When invoking**: On **first use**, if helpful, open with 1–2 sentences on what this skill covers and why it matters, then provide the main output. On **subsequent use** or when the user asks to skip, go directly to the main output.\n\n## Scope (Technical SEO)\n\n- **LCP** (Largest Contentful Paint): Loading performance; time to render largest content element\n- **INP** (Interaction to Next Paint): Responsiveness; replaced FID in March 2024\n- **CLS** (Cumulative Layout Shift): Visual stability; unexpected layout shifts\n\n## Target Thresholds (75th percentile, field data)\n\n| Metric | Target | Good | Needs Improvement | Poor |\n|--------|--------|------|-------------------|------|\n| **LCP** | ≤2.5s | ≤2.5s | 2.5–4.0s | >4.0s |\n| **INP** | ≤200ms | ≤200ms | 200–500ms | >500ms |\n| **CLS** | \u003C0.1 | ≤0.1 | 0.1–0.25 | >0.25 |\n\n**Source**: [Google Page Experience](https:\u002F\u002Fdevelopers.google.com\u002Fsearch\u002Fdocs\u002Fappearance\u002Fpage-experience)\n\n## Initial Assessment\n\n**Check for project context first:** If `.claude\u002Fproject-context.md` or `.cursor\u002Fproject-context.md` exists, read it for site URL.\n\nIdentify:\n1. **Tools**: GSC Core Web Vitals report, PageSpeed Insights, Chrome DevTools\n2. **Metrics**: Which metric is failing (LCP, INP, CLS)\n3. **Page type**: Hero, article, product, list—LCP candidate differs\n\n## LCP Optimization\n\nLCP measures the time until the largest content element (image, video, or text block) is visible.\n\n| Cause | Fix |\n|-------|-----|\n| **Slow server response** | Reduce TTFB; use CDN; optimize server |\n| **Render-blocking resources** | Defer non-critical CSS\u002FJS; inline critical CSS |\n| **Large images** | WebP\u002FAVIF; compress; `width`\u002F`height` to prevent CLS; see **image-optimization** |\n| **Client-side rendering** | SSR\u002FSSG for above-fold content; see **rendering-strategies** |\n| **Third-party scripts** | Load async; defer non-critical |\n\n**LCP candidates**: Hero image, large text block, video poster. Ensure above-fold images use `loading=\"eager\"` (default); never lazy-load LCP.\n\n## INP Optimization\n\nINP measures responsiveness—time from user interaction to next paint. Replaced FID in March 2024.\n\n| Cause | Fix |\n|-------|-----|\n| **Long-running JS** | Break tasks >50ms; use `requestIdleCallback`; Web Workers |\n| **Heavy event handlers** | Debounce\u002Fthrottle; defer non-critical work |\n| **Main thread blocking** | Reduce third-party scripts; defer non-critical JS |\n| **Layout thrashing** | Batch DOM reads\u002Fwrites; avoid forced reflows |\n\n## CLS Optimization\n\nCLS measures unexpected layout shifts.\n\n| Cause | Fix |\n|-------|-----|\n| **Images without dimensions** | Always set `width` and `height` attributes |\n| **Dynamic content** | Reserve space for ads, embeds; use `min-height` |\n| **Web fonts** | `font-display: optional` or `swap`; preload critical fonts |\n| **Animations** | Use `transform` instead of `top`\u002F`left`\u002F`width` |\n\n**Reserve space**: For images, ads, embeds—define dimensions before load. Avoid inserting content above existing content without reserved space.\n\n## Tools & Monitoring\n\n| Tool | Use |\n|------|-----|\n| **GSC** | Core Web Vitals report; URL grouping; field data |\n| **PageSpeed Insights** | Lab + field data; mobile + desktop |\n| **Chrome DevTools** | Performance panel; LCP element; layout shift overlay |\n\n## Output Format\n\n- **Current state**: Which metrics fail (LCP, INP, CLS)\n- **Prioritized fixes**: By impact\n- **References**: [Web Vitals](https:\u002F\u002Fweb.dev\u002Fvitals\u002F), [Page Experience](https:\u002F\u002Fdevelopers.google.com\u002Fsearch\u002Fdocs\u002Fappearance\u002Fpage-experience)\n\n## Related Skills\n\n- **image-optimization**: LCP image optimization; WebP; lazy loading (below-fold only)\n- **google-search-console**: CWV report; field data monitoring\n- **mobile-friendly**: Mobile-first indexing; mobile CWV targets\n- **rendering-strategies**: SSR\u002FSSG for LCP; content in initial HTML\n- **site-crawlability**: Redirect chains waste crawl; fix for performance\n","# SEO Technical: Core Web Vitals\n\nGuides optimization of Core Web Vitals (CWV)—Google's user experience metrics that affect search ranking. CWV are confirmed ranking factors for mobile and desktop.\n\n**When invoking**: On **first use**, if helpful, open with 1–2 sentences on what this skill covers and why it matters, then provide the main output. On **subsequent use** or when the user asks to skip, go directly to the main output.\n\n## Scope (Technical SEO)\n\n- **LCP** (Largest Contentful Paint): Loading performance; time to render largest content element\n- **INP** (Interaction to Next Paint): Responsiveness; replaced FID in March 2024\n- **CLS** (Cumulative Layout Shift): Visual stability; unexpected layout shifts\n\n## Target Thresholds (75th percentile, field data)\n\n| Metric | Target | Good | Needs Improvement | Poor |\n|--------|--------|------|-------------------|------|\n| **LCP** | ≤2.5s | ≤2.5s | 2.5–4.0s | >4.0s |\n| **INP** | ≤200ms | ≤200ms | 200–500ms | >500ms |\n| **CLS** | \u003C0.1 | ≤0.1 | 0.1–0.25 | >0.25 |\n\n**Source**: [Google Page Experience](https:\u002F\u002Fdevelopers.google.com\u002Fsearch\u002Fdocs\u002Fappearance\u002Fpage-experience)\n\n## Initial Assessment\n\n**Check for project context first:** If `.claude\u002Fproject-context.md` or `.cursor\u002Fproject-context.md` exists, read it for site URL.\n\nIdentify:\n1. **Tools**: GSC Core Web Vitals report, PageSpeed Insights, Chrome DevTools\n2. **Metrics**: Which metric is failing (LCP, INP, CLS)\n3. **Page type**: Hero, article, product, list—LCP candidate differs\n\n## LCP Optimization\n\nLCP measures the time until the largest content element (image, video, or text block) is visible.\n\n| Cause | Fix |\n|-------|-----|\n| **Slow server response** | Reduce TTFB; use CDN; optimize server |\n| **Render-blocking resources** | Defer non-critical CSS\u002FJS; inline critical CSS |\n| **Large images** | WebP\u002FAVIF; compress; `width`\u002F`height` to prevent CLS; see **image-optimization** |\n| **Client-side rendering** | SSR\u002FSSG for above-fold content; see **rendering-strategies** |\n| **Third-party scripts** | Load async; defer non-critical |\n\n**LCP candidates**: Hero image, large text block, video poster. Ensure above-fold images use `loading=\"eager\"` (default); never lazy-load LCP.\n\n## INP Optimization\n\nINP measures responsiveness—time from user interaction to next paint. Replaced FID in March 2024.\n\n| Cause | Fix |\n|-------|-----|\n| **Long-running JS** | Break tasks >50ms; use `requestIdleCallback`; Web Workers |\n| **Heavy event handlers** | Debounce\u002Fthrottle; defer non-critical work |\n| **Main thread blocking** | Reduce third-party scripts; defer non-critical JS |\n| **Layout thrashing** | Batch DOM reads\u002Fwrites; avoid forced reflows |\n\n## CLS Optimization\n\nCLS measures unexpected layout shifts.\n\n| Cause | Fix |\n|-------|-----|\n| **Images without dimensions** | Always set `width` and `height` attributes |\n| **Dynamic content** | Reserve space for ads, embeds; use `min-height` |\n| **Web fonts** | `font-display: optional` or `swap`; preload critical fonts |\n| **Animations** | Use `transform` instead of `top`\u002F`left`\u002F`width` |\n\n**Reserve space**: For images, ads, embeds—define dimensions before load. Avoid inserting content above existing content without reserved space.\n\n## Tools & Monitoring\n\n| Tool | Use |\n|------|-----|\n| **GSC** | Core Web Vitals report; URL grouping; field data |\n| **PageSpeed Insights** | Lab + field data; mobile + desktop |\n| **Chrome DevTools** | Performance panel; LCP element; layout shift overlay |\n\n## Output Format\n\n- **Current state**: Which metrics fail (LCP, INP, CLS)\n- **Prioritized fixes**: By impact\n- **References**: [Web Vitals](https:\u002F\u002Fweb.dev\u002Fvitals\u002F), [Page Experience](https:\u002F\u002Fdevelopers.google.com\u002Fsearch\u002Fdocs\u002Fappearance\u002Fpage-experience)\n\n## Related Skills\n\n- **image-optimization**: LCP image optimization; WebP; lazy loading (below-fold only)\n- **google-search-console**: CWV report; field data monitoring\n- **mobile-friendly**: Mobile-first indexing; mobile CWV targets\n- **rendering-strategies**: SSR\u002FSSG for LCP; content in initial HTML\n- **site-crawlability**: Redirect chains waste crawl; fix for performance\n",{"name":5,"metadata":42,"description":7},{"version":43},"1.0.1","main","c7ec8d78e5dc37484c2cfe90ab04de163d97dd41","marketing-skills\u002Fseo\u002Ftechnical\u002Fcore-web-vitals",0,"https:\u002F\u002Fgithub.com\u002Fariadoss\u002Fsuperskills","https:\u002F\u002Fhyperion360.com\u002Fblog\u002Fparallel-ai-agents-engineering-workflow\u002F","https:\u002F\u002Fgithub.com\u002Fariadoss","https:\u002F\u002Fdanilosapad.com\u002F","CEO & Founder of @Hyperion360","2026-11-01 12:36:50",{"source":8,"skillName":5,"commands":55,"prompt":65,"zipAvailable":66},[56,59,62],{"tool":57,"command":58},"npx","npx skills add ariadoss\u002Fsuperskills --skill core-web-vitals",{"tool":60,"command":61},"bunx","bunx skills add ariadoss\u002Fsuperskills --skill core-web-vitals",{"tool":63,"command":64},"pnpm","pnpm dlx skills add ariadoss\u002Fsuperskills --skill core-web-vitals","安装技能，技能地址：https:\u002F\u002Fgithub.com\u002Fariadoss\u002Fsuperskills\u002Fblob\u002Fmain\u002Fmarketing-skills\u002Fseo\u002Ftechnical\u002Fcore-web-vitals\u002FSKILL.md",true,[],[69,95,119,138,163,179],{"skillNo":70,"name":71,"nameZh":6,"description":72,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":73,"categories":74,"keywords":80,"publishedAt":37},"01M71AZE3MPF891RM354EMRYA1","youtube","Download YouTube video transcripts when user provides a YouTube URL or asks to download\u002Fget\u002Ffetch a transcript from YouTube. Also use when user wants to transcribe or get captions\u002Fsubtitles from a YouTube video.","https:\u002F\u002Fgithub.com\u002Fariadoss\u002Fsuperskills\u002Fblob\u002Fmain\u002Fskills\u002Fyoutube\u002FSKILL.md",[75],{"categoryNo":76,"categoryName":77,"taxonomyType":78,"taxonomyTypeDesc":79},"01JBSEEDCAT000000000000016","图像与多媒体","SCENARIO","使用场景",[71,24,81,82,83,84,85,86,87,28,88,89,90,91,92,29,93,94],"download","transcribe","write","transcript","video transcripts","Bash","URL","Captions","get","fetch","Video","read","subtitles","transcripts",{"skillNo":96,"name":97,"nameZh":6,"description":98,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":99,"categories":100,"keywords":101,"publishedAt":37},"01M71AZAYR85PW6BJGSQXS4BN2","write-plan","Use when you have a spec or requirements for a multi-step task, before touching code. Produces an engineering plan complete with TDD tasks, DRY\u002FSOLID\u002FYAGNI principles, a required Test Plan & Verification section, and a coverage target — then auto-runs \u002Fplan-eng-review as an independent double-check before execution.","https:\u002F\u002Fgithub.com\u002Fariadoss\u002Fsuperskills\u002Fblob\u002Fmain\u002Fskills\u002Fwrite-plan\u002FSKILL.md",[],[102,103,83,104,105,106,107,108,109,28,110,111,112,113,114,36,115,116,117,118],"write plan","plan","dry","verification","review","tasks","code","you","auto","eng","coverage","complete","section","test plan","target","as","yagni",{"skillNo":120,"name":121,"nameZh":6,"description":122,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":123,"categories":124,"keywords":125,"publishedAt":37},"01M71AZ8NDDP5ZMGEE6FSC4FKR","worktrees","Use when starting feature work that needs isolation from current workspace or before executing implementation plans - creates isolated git worktrees with smart directory selection and safety verification","https:\u002F\u002Fgithub.com\u002Fariadoss\u002Fsuperskills\u002Fblob\u002Fmain\u002Fskills\u002Fworktrees\u002FSKILL.md",[],[121,126,127,128,29,129,130,131,132,133,134,105,135,28,136,137],"implementation","workspace","with","plans","feature","isolation","git","directory","work","git worktrees","selection","Safety",{"skillNo":139,"name":140,"nameZh":6,"description":141,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":142,"categories":143,"keywords":147,"publishedAt":37},"01M71AZ4ZQHTNWFRZVYHKQFP08","web-perf","Analyzes web performance using Chrome DevTools MCP. Measures Core Web Vitals (LCP, INP, CLS) and supplementary metrics (FCP, TBT, Speed Index), identifies render-blocking resources, network dependency chains, layout shifts, caching issues, and accessibility gaps. Use when asked to audit, profile, debug, or optimize page load performance, Lighthouse scores, or site speed. Biases towards retrieval from current documentation over pre-trained knowledge.","https:\u002F\u002Fgithub.com\u002Fariadoss\u002Fsuperskills\u002Fblob\u002Fmain\u002Fskills\u002Fweb-perf\u002FSKILL.md",[144],{"categoryNo":145,"categoryName":146,"taxonomyType":78,"taxonomyTypeDesc":79},"01JBSEEDCAT000000000000023","Skill与智能体开发",[21,148,149,150,151,152,27,153,154,28,155,156,157,31,158,159,160,161,19,162],"perf","web perf","resources","MCP","layout","documentation","caching","qa","knowledge","devtools","render","re","performance","chrome devtools","never",{"skillNo":164,"name":165,"nameZh":6,"description":166,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":167,"categories":168,"keywords":169,"publishedAt":37},"01M71AZ2KZNWYEGKKRMJH8PYG2","verify","Use when about to claim work is complete, fixed, or passing, before committing or creating PRs - requires running verification commands and confirming output before making any success claims; evidence before assertions always","https:\u002F\u002Fgithub.com\u002Fariadoss\u002Fsuperskills\u002Fblob\u002Fmain\u002Fskills\u002Fverify\u002FSKILL.md",[],[165,113,170,171,134,105,172,173,28,174,29,175,176,177,178],"commands","about","claims","output","assertions","claim","prs","evidence","running",{"skillNo":180,"name":181,"nameZh":6,"description":182,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":183,"categories":184,"keywords":185,"publishedAt":37},"01M71AZ0ACCK7N1QMWQK1FV2HJ","validate-idea","Validate a business idea using the minimalist entrepreneur framework. Use when someone has a business idea and wants to test if it's worth pursuing before building anything.","https:\u002F\u002Fgithub.com\u002Fariadoss\u002Fsuperskills\u002Fblob\u002Fmain\u002Fskills\u002Fvalidate-idea\u002FSKILL.md",[],[186,187,188,189,190,191,192,28,193,29,194],"validate","idea","validate idea","framework","it","minimalist","test","business","before building"]