AI Skills
favicon-google-fixer

favicon-google-fixer

Fixes favicon visibility issues in Google search results. Use when Google isn't showing the site's favicon, when favicon 404 errors appear, or when updating favicon configuration for SEO.

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Mis à jour 1/20/2026
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favicon-google-fixer
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Fixes favicon visibility issues in Google search results. Use when Google isn't showing the site's favicon, when favicon 404 errors appear, or when updating favicon configuration for SEO.

When fixing favicon issues for Google, follow this systematic approach:

Step 1: Audit Existing Favicon Files

Check what favicon files exist in the project:

# Using find (works everywhere)
find public -name "*favicon*" -o -name "*icon*" -o -name "*manifest*" 2>/dev/null

# Or using ls with grep
ls public/ | grep -i -E "(favicon|icon|manifest)" 2>/dev/null || ls public/

Step 2: Fix 404s in Metadata

The most common issue is referencing files that don't exist. Search for icon references:

# Find all icon references in the codebase
grep -r "favicon\|apple.*icon\|manifest" --include="*.tsx" --include="*.ts" --include="*.jsx" --include="*.js" --include="*.html" --include="*.json" .

Next.js (App Router)

// app/layout.tsx
export const metadata: Metadata = {
  icons: {
    icon: [
      { url: "/favicon.ico", sizes: "48x48", type: "image/x-icon" },
      { url: "/favicon-96x96.png", sizes: "96x96", type: "image/png" },
      { url: "/favicon.svg", type: "image/svg+xml" },
    ],
    apple: "/apple-touch-icon.png",
    shortcut: "/favicon.ico",
  },
  manifest: "/site.webmanifest",
}

Nuxt.js

// nuxt.config.ts
export default defineNuxtConfig({
  app: {
    head: {
      link: [
        { rel: "icon", href: "/favicon.ico", sizes: "48x48" },
        { rel: "icon", href: "/favicon-96x96.png", sizes: "96x96", type: "image/png" },
        { rel: "icon", href: "/favicon.svg", type: "image/svg+xml" },
        { rel: "apple-touch-icon", href: "/apple-touch-icon.png" },
        { rel: "manifest", href: "/site.webmanifest" },
      ],
    },
  },
})

Astro

<!-- src/layouts/Layout.astro -->
<head>
  <link rel="icon" href="/favicon.ico" sizes="48x48" />
  <link rel="icon" href="/favicon-96x96.png" sizes="96x96" type="image/png" />
  <link rel="icon" href="/favicon.svg" type="image/svg+xml" />
  <link rel="apple-touch-icon" href="/apple-touch-icon.png" />
  <link rel="manifest" href="/site.webmanifest" />
</head>

SvelteKit

<!-- src/app.html -->
<head>
  <link rel="icon" href="%sveltekit.assets%/favicon.ico" sizes="48x48" />
  <link rel="icon" href="%sveltekit.assets%/favicon-96x96.png" sizes="96x96" type="image/png" />
  <link rel="icon" href="%sveltekit.assets%/favicon.svg" type="image/svg+xml" />
  <link rel="apple-touch-icon" href="%sveltekit.assets%/apple-touch-icon.png" />
  <link rel="manifest" href="%sveltekit.assets%/site.webmanifest" />
</head>

React (CRA) / Vite / Plain HTML

<!-- index.html -->
<link rel="icon" href="/favicon.ico" sizes="48x48" />
<link rel="icon" href="/favicon-96x96.png" sizes="96x96" type="image/png" />
<link rel="icon" href="/favicon.svg" type="image/svg+xml" />
<link rel="apple-touch-icon" href="/apple-touch-icon.png" />
<link rel="manifest" href="/site.webmanifest" />

Step 3: Create/Update Web Manifest

Create public/site.webmanifest (or manifest.json):

{
  "name": "Your Site Name",
  "short_name": "Site",
  "icons": [
    {
      "src": "/favicon-96x96.png",
      "sizes": "96x96",
      "type": "image/png"
    },
    {
      "src": "/web-app-manifest-192x192.png",
      "sizes": "192x192",
      "type": "image/png"
    },
    {
      "src": "/web-app-manifest-512x512.png",
      "sizes": "512x512",
      "type": "image/png"
    }
  ],
  "start_url": "/",
  "display": "standalone",
  "background_color": "#ffffff",
  "theme_color": "#000000"
}

Step 4: Update JSON-LD Organization Logo (if exists)

Search for existing JSON-LD and update logo path:

grep -r "@type.*Organization\|jsonLd\|json-ld" --include="*.tsx" --include="*.ts" --include="*.jsx" --include="*.js" .

const jsonLd = {
  "@type": "Organization",
  logo: "https://yoursite.com/web-app-manifest-512x512.png",
  // ...
}

Step 5: Check robots.txt

Ensure favicon access is allowed:

User-agent: *
Allow: /

Never have: Disallow: /favicon.ico

Step 6: Generate Proper Favicons

Option A: From SVG (best quality)

macOS:

brew install librsvg

Linux (Debian/Ubuntu):

sudo apt install librsvg2-bin

Linux (Fedora/RHEL):

sudo dnf install librsvg2-tools

Windows (via Chocolatey):

choco install rsvg-convert

Generate all sizes:

rsvg-convert -w 96 -h 96 public/favicon.svg -o public/favicon-96x96.png
rsvg-convert -w 180 -h 180 public/favicon.svg -o public/apple-touch-icon.png
rsvg-convert -w 192 -h 192 public/favicon.svg -o public/web-app-manifest-192x192.png
rsvg-convert -w 512 -h 512 public/favicon.svg -o public/web-app-manifest-512x512.png

Option B: From existing PNG

macOS:

brew install imagemagick

Linux (Debian/Ubuntu):

sudo apt install imagemagick

Linux (Fedora/RHEL):

sudo dnf install ImageMagick

Windows (via Chocolatey):

choco install imagemagick

Generate all sizes:

magick public/source-icon.png -resize 96x96 public/favicon-96x96.png
magick public/source-icon.png -resize 180x180 public/apple-touch-icon.png
magick public/source-icon.png -resize 192x192 public/web-app-manifest-192x192.png
magick public/source-icon.png -resize 512x512 public/web-app-manifest-512x512.png

# Generate .ico with multiple sizes
magick public/source-icon.png -background none -define icon:auto-resize=48,32,16 public/favicon.ico

Note: ImageMagick may not render SVGs with gradients correctly. Use rsvg-convert for complex SVGs.

Recommended sizes for Google:

File Size Purpose
favicon.ico 48x48 (or 16,32,48) Legacy browsers
favicon-96x96.png 96x96 Google, high-DPI
apple-touch-icon.png 180x180 iOS devices
web-app-manifest-192x192.png 192x192 PWA small
web-app-manifest-512x512.png 512x512 PWA large

Step 7: Deploy & Request Re-indexing

  1. Deploy changes
  2. Go to Google Search Console
  3. Enter your URL → Click "Request Indexing"
  4. Wait 1-4 weeks for Google's favicon cache to update

Verification

# Check favicon returns 200 (replace with your domain)
curl -I https://yoursite.com/favicon.ico

# Check Google's cached favicon
# macOS:
open "https://www.google.com/s2/favicons?domain=yoursite.com&sz=64"
# Linux:
xdg-open "https://www.google.com/s2/favicons?domain=yoursite.com&sz=64"
# Windows:
start "https://www.google.com/s2/favicons?domain=yoursite.com&sz=64"

# Verify PNG files exist and check sizes
file public/favicon*.png public/apple-touch-icon.png public/web-app-manifest*.png

Common Gotchas

  1. Silent 404s: Metadata references non-existent files - always audit first
  2. Google caching: Takes days to weeks to update even after fixes - be patient
  3. Wrong sizes: Google prefers 48x48px minimum, ideally 96x96px or larger
  4. SVG issues: Some crawlers don't handle SVG favicons well - always include PNG fallback
  5. Transparent backgrounds: Apple touch icons should have solid backgrounds
  6. Case sensitivity: Some servers are case-sensitive (Favicon.ico ≠ favicon.ico)

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