[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"extension-marketplace-addyosmani-plugins-en":3,"guides-for-addyosmani-plugins":360,"similar-k174pdj7tw5vtw55qx8kwkvzhx86nhsp-en":361},{"_creationTime":4,"_id":5,"children":6,"community":7,"display":9,"evaluation":15,"identity":222,"isFallback":207,"parentExtension":227,"providers":228,"relations":234,"repo":236,"tags":356,"workflow":357},1778669911998.9321,"k174pdj7tw5vtw55qx8kwkvzhx86nhsp",[],{"reviewCount":8},0,{"description":10,"installMethods":11,"name":13,"sourceUrl":14},"Agent Skills for optimizing web quality based on Lighthouse and Core Web Vitals.",{"claudeCode":12},"addyosmani/web-quality-skills","web-quality-skills","https://github.com/addyosmani/web-quality-skills",{"_creationTime":16,"_id":17,"extensionId":5,"locale":18,"result":19,"trustSignals":205,"workflow":220},1778670394842.0908,"kn7d9jef53zcxe8008pzswbrt186m8pq","en",{"checks":20,"evaluatedAt":168,"extensionSummary":169,"features":170,"nonGoals":177,"promptVersionExtension":182,"promptVersionScoring":183,"purpose":184,"rationale":185,"score":186,"summary":187,"tags":188,"targetMarket":196,"tier":197,"useCases":198},[21,26,29,32,36,39,43,48,51,54,58,62,66,70,73,76,79,82,85,88,92,96,101,105,109,112,116,119,123,126,129,132,135,138,141,145,149,152,155,159,162,165],{"category":22,"check":23,"severity":24,"summary":25},"Practical Utility","Problem relevance","pass","The description clearly identifies the user problem of optimizing web quality based on Lighthouse and Core Web Vitals, directly addressing a specific need for developers.",{"category":22,"check":27,"severity":24,"summary":28},"Unique selling proposition","The skills offer a comprehensive set of structured guidance and actionable patterns derived from extensive audits and real-world experience, providing significant value beyond a basic LLM's capabilities for web quality optimization.",{"category":22,"check":30,"severity":24,"summary":31},"Production readiness","The skills cover a complete lifecycle for web quality review and optimization, providing detailed checks and actionable advice for various aspects of web development.",{"category":33,"check":34,"severity":24,"summary":35},"Scope","Single responsibility principle","The extension focuses on a single, coherent domain: web quality optimization, encompassing performance, accessibility, SEO, and best practices derived from established guidelines.",{"category":33,"check":37,"severity":24,"summary":38},"Description quality","The displayed description accurately and concisely reflects the extension's capabilities, focusing on web quality optimization using Lighthouse and Core Web Vitals.",{"category":40,"check":41,"severity":24,"summary":42},"Invocation","Scoped tools","The skills are broken down into specific, narrow tools like 'performance', 'accessibility', 'seo', etc., each focusing on a distinct aspect of web quality.",{"category":44,"check":45,"severity":46,"summary":47},"Documentation","Configuration & parameter reference","info","The README provides excellent documentation for the skills' purpose and trigger phrases, but detailed parameter references for any underlying tools are not present, making defaults implicit.",{"category":33,"check":49,"severity":24,"summary":50},"Tool naming","The skill names ('performance', 'accessibility', 'seo', etc.) are descriptive and clearly indicate their respective domains.",{"category":33,"check":52,"severity":24,"summary":53},"Minimal I/O surface","The skills are designed to be invoked via natural language prompts or trigger phrases, implying a minimal and well-defined input/output surface for each skill's function.",{"category":55,"check":56,"severity":24,"summary":57},"License","License usability","The extension is licensed under the MIT License, which is a permissive open-source license, clearly indicated in the LICENSE file and README.",{"category":59,"check":60,"severity":24,"summary":61},"Maintenance","Commit recency","The last commit was on May 9, 2026, which is within the last 3 months, indicating recent maintenance.",{"category":59,"check":63,"severity":64,"summary":65},"Dependency Management","not_applicable","The extension appears to have no third-party dependencies that require explicit management.",{"category":67,"check":68,"severity":64,"summary":69},"Security","Secret Management","The skills are focused on analyzing web quality and do not appear to handle or require any secrets.",{"category":67,"check":71,"severity":24,"summary":72},"Injection","The skills are designed to analyze web quality and do not load or execute third-party data as instructions.",{"category":67,"check":74,"severity":24,"summary":75},"Transitive Supply-Chain Grenades","The extension does not fetch external files at runtime or execute code from remote sources, keeping all logic within the bundled repository.",{"category":67,"check":77,"severity":24,"summary":78},"Sandbox Isolation","The skills are designed for analysis and do not appear to modify files or perform destructive operations outside the project's scope.",{"category":67,"check":80,"severity":24,"summary":81},"Sandbox escape primitives","No detached-process spawns or deny-retry loops were detected in the provided source files.",{"category":67,"check":83,"severity":24,"summary":84},"Data Exfiltration","The skills focus on analysis and do not contain instructions to read or submit confidential data to third parties.",{"category":67,"check":86,"severity":24,"summary":87},"Hidden Text Tricks","The bundled content is free of hidden-steering tricks and all descriptions are clean printable ASCII.",{"category":89,"check":90,"severity":24,"summary":91},"Hooks","Opaque code execution","The provided source files are plain, readable JavaScript and markdown, with no obfuscation, base64 payloads, or runtime script fetching.",{"category":93,"check":94,"severity":24,"summary":95},"Portability","Structural Assumption","The skills are framework-agnostic and do not appear to make specific structural assumptions about user project organization beyond general web development practices.",{"category":97,"check":98,"severity":99,"summary":100},"Trust","Issues Attention","warning","There are 1 issue opened and 0 issues closed in the last 90 days, indicating slow response to open issues.",{"category":102,"check":103,"severity":24,"summary":104},"Versioning","Release Management","A meaningful version is not explicitly declared in a manifest, but the installation instructions reference specific git repos (e.g., `addyosmani/web-quality-skills`) and the marketplace JSON uses a local path, implying potential for versioning. The last commit date is recent.",{"category":106,"check":107,"severity":64,"summary":108},"Execution","Validation","The skills operate on natural language prompts and do not expose executable code with structured input arguments or output schemas requiring validation.",{"category":67,"check":110,"severity":24,"summary":111},"Unguarded Destructive Operations","The skills are analytical and do not perform any destructive operations.",{"category":113,"check":114,"severity":24,"summary":115},"Code Execution","Error Handling","The skills are designed to provide feedback and suggestions, and errors would likely be handled by the underlying agent framework, not through explicit error handling within the skill's own code.",{"category":113,"check":117,"severity":64,"summary":118},"Logging","The extension is read-only and analytical, so no logging of destructive actions or outbound calls is required.",{"category":120,"check":121,"severity":64,"summary":122},"Compliance","GDPR","The skills focus on web quality metrics and do not operate on personal data.",{"category":120,"check":124,"severity":24,"summary":125},"Target market","The skills are designed for web quality optimization, which is a global concern, and there are no regional or jurisdictional restrictions indicated.",{"category":93,"check":127,"severity":24,"summary":128},"Runtime stability","The skills are framework-agnostic and rely on standard web quality metrics and guidelines, making them portable across different development environments and shells.",{"category":44,"check":130,"severity":24,"summary":131},"README","The README provides a clear and comprehensive overview of the extension's purpose, features, and usage.",{"category":33,"check":133,"severity":24,"summary":134},"Tool surface size","The extension exposes six distinct skills (web-quality-audit, performance, core-web-vitals, accessibility, seo, best-practices), which falls within the target range.",{"category":40,"check":136,"severity":24,"summary":137},"Overlapping near-synonym tools","Each skill has a distinct name and focus, avoiding overlap or redundancy in their stated functions.",{"category":44,"check":139,"severity":24,"summary":140},"Phantom features","All features described in the README, such as specific audits and optimization areas, have corresponding skills or descriptions within the repository.",{"category":142,"check":143,"severity":24,"summary":144},"Install","Installation instruction","The README provides clear, copy-pasteable installation instructions for multiple environments (npx add-skill, manual copy, Claude Code, Codex, Gemini CLI).",{"category":146,"check":147,"severity":24,"summary":148},"Errors","Actionable error messages","While specific error messages are not detailed, the nature of the skills suggests errors would be reported by the agent framework, which typically provides actionable feedback.",{"category":106,"check":150,"severity":64,"summary":151},"Pinned dependencies","The extension does not appear to have third-party dependencies that would require pinning or a shebang.",{"category":33,"check":153,"severity":64,"summary":154},"Dry-run preview","The extension is purely analytical and does not perform any state-changing operations or send data outward.",{"category":156,"check":157,"severity":64,"summary":158},"Protocol","Idempotent retry & timeouts","The skills are analytical and do not involve remote calls or state-changing operations that would require idempotency or timeouts.",{"category":120,"check":160,"severity":64,"summary":161},"Telemetry opt-in","There is no indication of telemetry being emitted by this extension.",{"category":33,"check":163,"severity":24,"summary":164},"Theme declaration","The README clearly declares a curation theme focused on web quality optimization using Lighthouse, Core Web Vitals, WCAG, and SEO.",{"category":102,"check":166,"severity":46,"summary":167},"Per-entry version metadata","The `marketplace.json` references a local path './codex', and the `plugins` array does not contain explicit version metadata for entries, relying on the local source or git refs.",1778670394666,"This is a collection of agent skills focused on analyzing and improving web project quality, leveraging Google Lighthouse, Core Web Vitals, WCAG standards, and modern SEO principles. It breaks down optimization into specific areas like performance, accessibility, SEO, and best practices, offering actionable advice.",[171,172,173,174,175,176],"Comprehensive web quality audits","Performance optimization guidance","Core Web Vitals improvement","Accessibility (WCAG) reviews","SEO best practices implementation","Security and code quality best practices",[178,179,180,181],"Performing actual code refactoring or implementation","Directly integrating with specific CMS platforms","Providing real-time user monitoring or analytics","Automating deployment processes","3.1.0","4.4.0","To provide developers with expert-level guidance and actionable insights for optimizing web projects across key quality metrics, ensuring high performance, accessibility, and search engine visibility.","The extension demonstrates high quality across most checks, with a strong focus on problem relevance, production readiness, and clear documentation. The main detractor is the slow response to open issues and the lack of explicit version metadata in the marketplace file, placing it in the 'evaluated' tier.",75,"A comprehensive suite of skills for web quality optimization, providing expert guidance on performance, accessibility, SEO, and best practices.",[189,190,191,192,193,194,195],"web-quality","lighthouse","core-web-vitals","performance","accessibility","seo","developer-tools","global","community",[199,200,201,202,203,204],"Auditing a website for overall quality issues","Speeding up website loading times and runtime performance","Improving Core Web Vitals (LCP, INP, CLS)","Ensuring WCAG compliance and accessibility","Optimizing content for search engines (SEO)","Applying modern web development best practices and security",{"codeQuality":206,"collectedAt":208,"documentation":209,"maintenance":212,"security":217,"testCoverage":219},{"hasLockfile":207},false,1778670380345,{"descriptionLength":210,"readmeSize":211},80,8433,{"closedIssues90d":8,"forks":213,"hasChangelog":207,"openIssues90d":214,"pushedAt":215,"stars":216},171,1,1778365548000,1927,{"hasNpmPackage":207,"license":218,"smitheryVerified":207},"MIT",{"hasCi":207,"hasTests":207},{"updatedAt":221},1778670394842,{"basePath":223,"githubOwner":224,"githubRepo":13,"locale":18,"slug":225,"type":226},".agents/plugins","addyosmani","plugins","marketplace",null,{"evaluate":229,"extract":231},{"promptVersionExtension":182,"promptVersionScoring":183,"score":186,"tags":230,"targetMarket":196,"tier":197},[189,190,191,192,193,194,195],{"commitSha":232,"marketplace":233},"HEAD",{"name":13,"pluginCount":8},{"repoId":235},"kd7enw4egr4ry8k3qvzs9kq6f186mas7",{"_creationTime":237,"_id":235,"identity":238,"providers":239,"workflow":352},1778669907395.611,{"githubOwner":224,"githubRepo":13,"sourceUrl":14},{"classify":240,"discover":342,"github":345},{"commitSha":232,"extensions":241},[242,250,264,287,300,308,317,324,331],{"basePath":223,"displayName":13,"installMethods":243,"rationale":244,"selectedPaths":245,"source":249,"sourceLanguage":18,"type":226},{"claudeCode":12},"marketplace.json at .agents/plugins/marketplace.json",[246],{"path":247,"priority":248},"marketplace.json","mandatory","rule",{"basePath":251,"description":252,"displayName":253,"installMethods":254,"rationale":255,"selectedPaths":256,"source":249,"sourceLanguage":18,"type":226},"","Agent Skills for optimizing web projects against Google Lighthouse, Core Web Vitals, WCAG 2.2, and modern SEO.","addy-web-quality-skills",{"claudeCode":12},"marketplace.json at .claude-plugin/marketplace.json",[257,259,261],{"path":258,"priority":248},".claude-plugin/marketplace.json",{"path":260,"priority":248},"README.md",{"path":262,"priority":263},"LICENSE","high",{"basePath":251,"description":265,"displayName":13,"installMethods":266,"license":218,"rationale":267,"selectedPaths":268,"source":249,"sourceLanguage":18,"type":286},"Agent Skills for optimizing web projects against Google Lighthouse, Core Web Vitals, WCAG 2.2, and modern SEO — performance, accessibility, SEO, and best practices.",{"claudeCode":13},"plugin manifest at .claude-plugin/plugin.json (coalesced with duplicate plugin at codex)",[269,271,272,273,276,278,280,282,284],{"path":270,"priority":248},".claude-plugin/plugin.json",{"path":260,"priority":248},{"path":262,"priority":263},{"path":274,"priority":275},"skills/accessibility/SKILL.md","medium",{"path":277,"priority":275},"skills/best-practices/SKILL.md",{"path":279,"priority":275},"skills/core-web-vitals/SKILL.md",{"path":281,"priority":275},"skills/performance/SKILL.md",{"path":283,"priority":275},"skills/seo/SKILL.md",{"path":285,"priority":275},"skills/web-quality-audit/SKILL.md","plugin",{"basePath":288,"description":289,"displayName":193,"installMethods":290,"rationale":291,"selectedPaths":292,"source":249,"sourceLanguage":18,"type":299},"skills/accessibility","Audit and improve web accessibility following WCAG 2.2 guidelines. Use when asked to \"improve accessibility\", \"a11y audit\", \"WCAG compliance\", \"screen reader support\", \"keyboard navigation\", or \"make accessible\".",{"claudeCode":12},"SKILL.md frontmatter at skills/accessibility/SKILL.md",[293,295,297],{"path":294,"priority":248},"SKILL.md",{"path":296,"priority":275},"references/A11Y-PATTERNS.md",{"path":298,"priority":275},"references/WCAG.md","skill",{"basePath":301,"description":302,"displayName":303,"installMethods":304,"rationale":305,"selectedPaths":306,"source":249,"sourceLanguage":18,"type":299},"skills/best-practices","Apply modern web development best practices for security, compatibility, and code quality. Use when asked to \"apply best practices\", \"security audit\", \"modernize code\", \"code quality review\", or \"check for vulnerabilities\".","best-practices",{"claudeCode":12},"SKILL.md frontmatter at skills/best-practices/SKILL.md",[307],{"path":294,"priority":248},{"basePath":309,"description":310,"displayName":191,"installMethods":311,"rationale":312,"selectedPaths":313,"source":249,"sourceLanguage":18,"type":299},"skills/core-web-vitals","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\".",{"claudeCode":12},"SKILL.md frontmatter at skills/core-web-vitals/SKILL.md",[314,315],{"path":294,"priority":248},{"path":316,"priority":275},"references/LCP.md",{"basePath":318,"description":319,"displayName":192,"installMethods":320,"rationale":321,"selectedPaths":322,"source":249,"sourceLanguage":18,"type":299},"skills/performance","Optimize web performance for faster loading and better user experience. Use when asked to \"speed up my site\", \"optimize performance\", \"reduce load time\", \"fix slow loading\", \"improve page speed\", or \"performance audit\".",{"claudeCode":12},"SKILL.md frontmatter at skills/performance/SKILL.md",[323],{"path":294,"priority":248},{"basePath":325,"description":326,"displayName":194,"installMethods":327,"rationale":328,"selectedPaths":329,"source":249,"sourceLanguage":18,"type":299},"skills/seo","Optimize for search engine visibility and ranking. Use when asked to \"improve SEO\", \"optimize for search\", \"fix meta tags\", \"add structured data\", \"sitemap optimization\", or \"search engine optimization\".",{"claudeCode":12},"SKILL.md frontmatter at skills/seo/SKILL.md",[330],{"path":294,"priority":248},{"basePath":332,"description":333,"displayName":334,"installMethods":335,"rationale":336,"selectedPaths":337,"source":249,"sourceLanguage":18,"type":299},"skills/web-quality-audit","Comprehensive web quality audit covering performance, accessibility, SEO, and best practices. Use when asked to \"audit my site\", \"review web quality\", \"run lighthouse audit\", \"check page quality\", or \"optimize my website\".","web-quality-audit",{"claudeCode":12},"SKILL.md frontmatter at skills/web-quality-audit/SKILL.md",[338,339],{"path":294,"priority":248},{"path":340,"priority":341},"scripts/analyze.sh","low",{"sources":343},[344],"manual",{"closedIssues90d":8,"description":10,"forks":213,"license":218,"openIssues90d":214,"pushedAt":215,"readmeSize":211,"stars":216,"topics":346},[193,347,348,191,190,349,350,351],"agent-skills","claude-skills","skills","testing","web-performance",{"classifiedAt":353,"discoverAt":354,"extractAt":355,"githubAt":355,"updatedAt":353},1778670378490,1778669907395,1778670377375,[193,191,195,190,192,194,189],{"evaluatedAt":221,"extractAt":358,"updatedAt":359},1778669911999,1778670657510,[],[362],{"_creationTime":363,"_id":364,"community":365,"display":366,"identity":368,"providers":369,"relations":376,"tags":377,"workflow":378},1778669911998.9326,"k177nfhtd4nsnawr0k2tqwv9nx86m0p8",{"reviewCount":8},{"description":252,"installMethods":367,"name":253,"sourceUrl":14},{"claudeCode":12},{"basePath":251,"githubOwner":224,"githubRepo":13,"locale":18,"slug":13,"type":226},{"evaluate":370,"extract":372},{"promptVersionExtension":182,"promptVersionScoring":183,"score":186,"tags":371,"targetMarket":196,"tier":197},[351,190,193,194,191,189],{"commitSha":232,"marketplace":373,"plugin":374},{"name":253,"pluginCount":214},{"mcpCount":8,"provider":375,"skillCount":8},"classify",{"repoId":235},[193,191,190,194,351,189],{"evaluatedAt":379,"extractAt":358,"updatedAt":380},1778670420728,1778670657782]