- Icon declarations
- Resolvable resources
- Formats
- Duplicates
- Missing icons
40 LIVE TOOLS
Outils Web gratuits
Des contrôles rapides et 24 diagnostics fonctionnels pour le SEO, la sécurité, la performance et le développement.
UX
40 toolsFavicon Checker
Find favicon declarations and test icon resources.
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ABOUT THIS CHECK
Favicon Checker
Detects favicon declarations and tests their URLs.
WHY IT MATTERS
Favicons improve recognition in browser tabs, bookmarks and some search/browser surfaces.
At least one declared icon resolves successfully.