Favicon Checker

Check if the website's favicon configuration is complete, including icon files in various formats and sizes. Enter the website URL to check:

Comprehensive Check

Check all favicon files of the website, including various formats and sizes

Compatibility Check

Verify favicon compatibility across different platforms and devices

Optimization Suggestions

Provide detailed optimization suggestions and best practice guidance

Favicon Format Explanation

Classic Formats

favicon.ico

Traditional ICO format, compatible with all browsers

favicon.png

Modern PNG format, supports transparent background

favicon.svg

Vector format, supports dark mode

Mobile Devices

Apple Touch Icon

Home screen icon for iOS devices

Android Chrome

Android PWA icon

Web App Manifest

PWA configuration file

Complete Configuration Example

<!-- Basic Favicon -->
<link rel="icon" href="/favicon.ico" sizes="any">
<link rel="icon" type="image/png" href="/favicon-16x16.png" sizes="16x16">
<link rel="icon" type="image/png" href="/favicon-32x32.png" sizes="32x32">
<link rel="icon" type="image/png" href="/favicon-48x48.png" sizes="48x48">

<!-- Apple Touch Icon -->
<link rel="apple-touch-icon" href="/apple-touch-icon.png">

<!-- Web App Manifest -->
<link rel="manifest" href="/site.webmanifest">

<!-- Android Chrome Icon -->
<link rel="icon" type="image/png" href="/android-chrome-192x192.png" sizes="192x192">
<link rel="icon" type="image/png" href="/android-chrome-512x512.png" sizes="512x512">

<!-- Meta Tags -->
<meta name="theme-color" content="#ffffff">
<meta name="application-name" content="Your App Name">
<meta name="msapplication-TileColor" content="#ffffff">
<meta name="msapplication-TileImage" content="/mstile-144x144.png">

Frequently Asked Questions

Why are multiple favicon formats needed?

Different browsers and devices support different formats and sizes. Providing multiple formats ensures that icons display correctly on all platforms.

Is the ICO format still necessary?

Although modern browsers support PNG format, ICO format is still the most compatible choice, especially for older browsers.

What is a Web App Manifest?

The Web App Manifest is a JSON file that defines the configuration of a PWA (Progressive Web App), including icons, name, theme color, etc.

How to optimize favicon loading speed?

Use appropriate file sizes to avoid oversized icon files. ICO files should contain multiple sizes, and PNG files should be compressed and optimized.