Website Icon Validator

Favicon Checker

Analyze your website's favicon implementation to ensure compatibility with Google's guidelines, multiple browsers, and various platforms.

example.com
Your Website
Comprehensive
Analysis
Detailed Results
Browser Compatibility Mobile App Icons Format Validation Size Verification SEO Impact

How to Use the Favicon Checker

1

Enter URL

Enter your website URL (e.g., example.com) in the input field below.

2

Analyze

Click "Check Favicons" to analyze your implementation.

3

Review Report

Review the detailed report for compatibility issues.

4

Generate Missing

Use our Favicon Generator to create any missing icons.

The analysis includes standard favicon compatibility, mobile app icons, and web manifest validation.

Analyzing...

Icon Requirements Guide

A quick reference for the essential icons needed for modern websites and web applications.

Standard Favicons

Essential for basic browser display:

  • 16x16: Browser tabs, bookmarks, history.
  • 32x32: Windows taskbar, high-DPI displays.

Typically provided via <link rel="icon">.

Apple Touch Icon

180x180 PNG is crucial for iOS:

  • iOS home screen shortcut icon.
  • Spotlight search results.
  • Safari tabs (newer versions).

Provided via <link rel="apple-touch-icon">.

Android & PWA Icons

Key sizes for Android devices and PWAs:

  • 192x192: Primary icon for home screen shortcuts.
  • 512x512: Used for splash screens, Play Store.

Typically defined within the Web App Manifest.

Web App Manifest

`manifest.json` enables PWA features:

  • Installable to home screen.
  • Standalone/fullscreen display.
  • Splash screens.
  • Theme color definition.

Linked via <link rel="manifest">.

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Related Guides

View all guides

Practical playbooks to help you ship faster with fewer mistakes.

Favicon Checker Guide: Validate Every Device and Browser

8 min read

Run a complete favicon validation workflow across desktop browsers, iOS, Android, and Google Search.

Favicon Not Showing

7 min read

Troubleshoot missing favicons quickly with a proven path from diagnosis to final fix.

How to Clear Favicon Cache

5 min read

Force browsers and devices to show updated favicons using cache-busting that actually works.

Favicon Size for Google

6 min read

Use the exact favicon sizes and file setup Google and browsers expect in production.

What Favicon Checker Audits

Run a fast technical audit of your favicon setup to catch missing files, broken tags, and platform-specific gaps.

HTML Tags

Checks required favicon-related <link> tags in your page head.

Standard Sizes

Verifies core sizes like 16x16 and 32x32 for tab and bookmark rendering.

Apple Touch Icon

Looks for a valid `apple-touch-icon` (180x180) for iOS home screen support.

Android/PWA Icons

Checks `manifest.json` and key Android/PWA sizes (192x192 and 512x512).

Format & Quality

Flags risky format choices and common quality issues that can blur icons.

Google Search Ready

Validates favicon requirements relevant for Google search result display.

Why This Audit Matters

Favicon issues are small but highly visible. A clean setup protects brand trust across tabs, mobile homescreens, and search snippets.

  • Brand recognition: users find your site faster in tabs, bookmarks, and history.
  • Trust signal: broken icons can make an otherwise polished site look unfinished.
  • Cross-platform consistency: one audit helps align browsers, iOS, Android, and PWA surfaces.

What This Checker Verifies

The scan focuses on implementation gaps that commonly cause missing, blurry, or inconsistent favicon behavior:

  • Whether required icon sizes are present (16x16 through 512x512)
  • Whether file formats match platform expectations
  • Whether your HTML tags and paths are wired correctly
  • Whether iOS and Android/PWA surfaces are covered

Why Are My Favicons Blurry?

Blurry favicons usually come from upscaling, poor source assets, or missing size variants. Use these fixes:

  • Provide multiple sizes: include at least 16x16, 32x32, 48x48, and 180x180. Use Favicon Generator to export a full set quickly.
  • Start with a sharp master: use a clean high-resolution source logo before downscaling.
  • Prefer PNG for clarity: it handles transparency and small-scale edge rendering reliably.

Troubleshooting: Common Display Issues

Use this quick troubleshooting list for common favicon failures:

  • Icon not showing: confirm a valid head tag such as <link rel="icon" type="image/png" href="/favicon.png">.
  • Old icon persists: version your favicon URL (for example ?v=2) and purge CDN cache.
  • Blurry on mobile: include 192x192 and 512x512 assets in manifest output.
  • Missing in bookmarks: verify you provide a crisp 32x32 variant.

Quick Fix Guide: Missing or Broken Favicons

Follow these steps to fix favicon issues:

  • Verify your favicon files exist in the correct location (usually root directory)
  • Check your HTML implementation (see example code below)
  • Clear your browser cache and reload
  • Test in incognito/private mode to rule out caching issues

Example of minimal HTML implementation: 


<link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png">
<link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png">
<link rel="manifest" href="/site.webmanifest">

Dark Mode Support: Modern Best Practices

Implement dark mode support using this code: 

<link rel="icon" media="(prefers-color-scheme: light)" href="/favicon-light.png">
<link rel="icon" media="(prefers-color-scheme: dark)" href="/favicon-dark.png">

Create two versions of your favicon with appropriate contrast for each mode.

Mobile & App Icons: Size Guide

Essential sizes for modern devices:

iOS/Safari:

  • 180x180 (iPhone)
  • 167x167 (iPad Pro)
  • 152x152 (iPad)

Android/PWA:

  • 192x192 (Android)
  • 512x512 (PWA)
  • 128x128 (Chrome Web Store)

Understanding Apple Touch Icons

Apple Touch Icons are crucial for iOS users who save your site to their home screen:

  • Home Screen Display: Creates an app-like icon when users add your site to their home screen
  • Size Requirement: Use 180x180 PNG for optimal display across all iOS devices
  • Implementation: Add <link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png">

Performance Tips: Optimizing Favicon Delivery

Follow these best practices for optimal performance:

  • Compress PNGs using tools like TinyPNG
  • Use cache headers: Cache-Control: public, max-age=31536000
  • Lazy-load larger sizes using the media attribute
  • Consider using SVG for better compression and scaling

Going Beyond Basic favicon.ico

Using only favicon.ico limits your site's capabilities. Here's what you need for modern web standards:

  • High-Resolution Support: Include PNG versions for crisp display on modern screens
  • Mobile Optimization: Add specific sizes for iOS and Android devices
  • Modern Features: Implement manifest.json for PWA support and advanced features

Testing Your Implementation

After implementing your favicon, test it in these scenarios:

  • Browser tabs and bookmarks bar
  • Mobile home screen (iOS/Android)
  • Dark and light mode
  • Different browsers (Chrome, Firefox, Safari, Edge)
  • PWA installation

Frequently Asked Questions

It scans your page for favicon-related tags and referenced files, then checks size coverage, format compatibility, and platform readiness across browsers, iOS, Android, and search.
Browsers prioritize different icon types and sizes. If one variant is missing or low quality, rendering can vary by browser. The checker flags those gaps so you can standardize output.
Mobile platforms use dedicated icon flows. iOS expects an Apple Touch Icon (typically 180x180), while Android/PWA surfaces rely on manifest-defined icons such as 192x192 and 512x512.
The checker verifies key Google-facing requirements, including minimum size coverage, usable format, and correct implementation so your brand icon has a better chance of rendering correctly in search UI.
Run the checker first, then validate manually in Chrome, Firefox, Safari, and mobile. Use an incognito window and cache-busted favicon URLs to confirm updates are live.
Yes. The audit covers standard favicon sizes, Apple Touch Icon, Android/PWA icons, and manifest-linked assets so you can validate the full icon stack in one pass.
Slow loads usually come from oversized files or cache/CDN mismatch. Keep icon files lightweight, serve them with long-lived cache headers, and generate optimized sizes with Favicon Generator.