Modern HTML5 Validation Badges (Updated 2024)
Badge Image Direct Image URL Best For
HTML5 Valid Badge
https://img.shields.io/badge/HTML5-Valid-brightgreen?style=flat&logo=html5
 Modern flat design with HTML5 logo
HTML5 Valid Badge
https://img.shields.io/badge/HTML5-Valid-blue?style=for-the-badge&logo=html5
 Bold, eye-catching style
W3C Valid
https://img.shields.io/badge/W3C-Valid%20HTML5-green?style=flat
 Traditional W3C style
HTML Valid
https://img.shields.io/badge/HTML-Valid-orange?style=plastic&logo=html5
 Compact with glossy effect
Validated HTML5
https://img.shields.io/badge/Validated-HTML5-success?style=flat-square
 Square corners, minimal
HTML5 Valid Blue
https://raw.githubusercontent.com/bradleytaunt/html5-valid-badge/master/html5-validator-badge-blue.svg
 Classic blue W3C-inspired design (SVG)
HTML5 Valid Green
https://raw.githubusercontent.com/bradleytaunt/html5-valid-badge/master/html5-validator-badge-green.svg
 Classic green W3C-inspired design (SVG)
Code Validated
https://img.shields.io/badge/code-validated-blueviolet?style=social&logo=html5
 Social media style badge
Note: All shields.io badges support customization! You can change colors, text, styles, and logos by modifying the URL parameters.

Ready-to-Paste Examples with Validation Links

<!-- Example 1: Modern flat badge with validation link -->
<p style="text-align:center; margin:20px 0;">
  <a href="https://validator.w3.org/nu/?doc=YOUR_URL_HERE" target="_blank" rel="noopener">
    <img src="https://img.shields.io/badge/HTML5-Valid-brightgreen?style=flat&logo=html5" 
         alt="Valid HTML5">
  </a>
</p>

<!-- Example 2: Bold style badge -->
<p style="text-align:center; margin:20px 0;">
  <a href="https://validator.w3.org/nu/?doc=YOUR_URL_HERE" target="_blank" rel="noopener">
    <img src="https://img.shields.io/badge/HTML5-Valid-blue?style=for-the-badge&logo=html5" 
         alt="Valid HTML5">
  </a>
</p>

<!-- Example 3: Classic W3C-inspired SVG badge -->
<p style="text-align:center; margin:20px 0;">
  <a href="https://validator.w3.org/nu/?doc=YOUR_URL_HERE" target="_blank" rel="noopener">
    <img src="https://raw.githubusercontent.com/bradleytaunt/html5-valid-badge/master/html5-validator-badge-blue.svg" 
         width="88" height="31" alt="Valid HTML5">
  </a>
</p>

Customization Options (Shields.io)

Style options:
- ?style=flat (default)
- ?style=flat-square
- ?style=plastic
- ?style=for-the-badge
- ?style=social

Color options:
- brightgreen, green, yellowgreen, yellow, orange, red
- blue, lightgrey, success, important, critical, informational
- Or any hex color: ?color=ff69b4

Logo options:
- &logo=html5
- &logo=w3c
- Browse more at: https://simpleicons.org/

Remember: Replace YOUR_URL_HERE with your actual website URL to enable validation checking!