- Icon declarations
- Resolvable resources
- Formats
- Duplicates
- Missing icons
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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.