When the user wants to implement, optimize, or audit favicon and app icons. Also use when the user mentions "favicon," "app icon," "browser icon," "touch icon," "PWA icon," "favicon sizes," "apple-touch-icon," "favicon.ico," "site icon," or "tab icon." For visual system, use brand-visual-generator.
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Run score Not tested
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Guides favicon and app icon implementation for brand consistency across browser tabs, bookmarks, mobile home screens, and Google Search results. Favicons help users identify sites; missing or incorrect icons hurt trust.
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.
Project context: Read root contextus.md when present and load only the modules relevant to this task. Without Contextus, use available project material or user-provided facts and ask for missing information; do not create a parallel context system.
Identify:
| Size | Use |
|---|---|
| 16x16 | Browser tabs, standard displays |
| 32x32 | Retina/HiDPI browser tabs |
| 180x180 | Apple Touch Icon (iOS home screen); no transparency |
| 192x192 | Android Chrome home screen, PWA launcher |
| 512x512 | PWA splash screens, adaptive icons |
Optional: 48x48, 96x96, 120x120, 152x152, 167x167, 256x256 for broader coverage.
| Format | Use |
|---|---|
| SVG | Modern browsers; scalable; supports dark mode via media queries; lightweight |
| PNG | High-DPI; explicit sizes; easy to generate; required for Apple Touch Icon |
| ICO | Legacy; bundles multiple sizes; fallback for older browsers |
Recommended: Provide SVG + PNG fallbacks. Never skip Apple Touch Icon (180x180); iOS shows a generic screenshot without it.
See serp-features for SERP feature types and optimization.
Favicons can appear in Google Search results next to your site's listings. Google Search Central requirements:
| Requirement | Guideline |
|---|---|
| Placement | Add <link rel="icon" href="/path/to/favicon.ico"> to homepage header |
| One per hostname | One favicon per hostname; example.com and code.example.com are separate; example.com/sub-site shares the same favicon |
| Crawlability | Googlebot-Image must crawl favicon; Googlebot must crawl homepage; do not block either in robots.txt |
| Shape | Square (1:1 aspect ratio); minimum 8x8px; preferably >48x48px for quality across platforms |
| Stable URL | Do not change favicon URL frequently |
| Appropriate | No inappropriate content (pornography, hate symbols); Google may replace with default icon |
| Timing | Crawling can take days to weeks; use Search Console URL Inspection to request indexing |
Supported rel values: icon, shortcut icon, apple-touch-icon, apple-touch-icon-precomposed. href can be relative (/favicon.ico) or absolute; favicon can be hosted on CDN.
<link rel="icon" href="/favicon.ico" sizes="any">
<link rel="icon" href="/icon.svg" type="image/svg+xml">
<link rel="icon" type="image/png" sizes="32x32" href="/favicon-32.png">
<link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png">
Place in /app: favicon.ico, icon.png, apple-icon.png. Next.js auto-generates tags.
Include icons array in manifest.json with 192x192 and 512x512 for maskable icons.
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Deprecated compatibility entry for 404 Page construction. This page is now maintained in Pagina; install and use page-builder to build a new 404 Page.
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Deprecated compatibility entry for About Page construction. This page is now maintained in Pagina; install and use page-builder to build a new About Page.
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When the user wants to plan, implement, or optimize affiliate marketing strategy. Also use when the user mentions "affiliate marketing," "affiliate program strategy," "CPS model," "affiliate recruitment," "commission structure," "affiliate partners," "affiliate network," "affiliate tracking," "affiliate commission," or "partner marketing." For affiliate page, use affiliate-page-generator.
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Deprecated compatibility entry for Affiliate Program Page construction. This page is now maintained in Pagina; install and use page-builder to build a new Affiliate Program Page.
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Compatibility pointer for AI assistant referrals and generative search visibility; maintained in Open Analytics.
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Deprecated compatibility entry for Alternatives Page construction. This page is now maintained in Pagina; install and use page-builder to build a new Alternatives Page.
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