Favicon Checker

How to interpret favicon declarations

The inventory shows which page-level icons browsers and search interfaces can discover from HTML declarations. The tool does not download every candidate to validate bytes, dimensions, cache state, manifest icons, or how a specific platform ultimately displays it.

What the tool evaluates

The tool finds icon and related rel values, resolves each href, and displays declared type and sizes beside a visual candidate. The inventory shows which page-level icons browsers and search interfaces can discover from HTML declarations.

• The tool finds icon and related rel values, resolves each href, and displays declared type and sizes beside a visual candidate.
• Missing declarations, broken URLs, unsuitable formats, absent size variants, or an icon that lacks contrast can produce generic or poor branding.
• Publish stable crawlable icon files, declare appropriate relationships and sizes, include modern and fallback formats, and test at small display sizes.

Common problems and next steps

Missing declarations, broken URLs, unsuitable formats, absent size variants, or an icon that lacks contrast can produce generic or poor branding. Publish stable crawlable icon files, declare appropriate relationships and sizes, include modern and fallback formats, and test at small display sizes. The tool does not download every candidate to validate bytes, dimensions, cache state, manifest icons, or how a specific platform ultimately displays it.