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Error Pages Demo

This page demonstrates the custom 404 error page implemented in this MkDocs site.

404 Error Page Testing

Our custom 404 page provides a user-friendly experience when visitors encounter broken links or non-existent pages.

Features of Our 404 Page

  • Animated Design - Eye-catching visuals with floating elements
  • Search Functionality - Built-in search to help users find content
  • Quick Navigation - Direct links to main sections
  • Smart Suggestions - Auto-suggests similar pages based on URL
  • Responsive Design - Works perfectly on all devices

Test the 404 Page

🔗 Test Links

Click any of these links to see our custom 404 page in action:

Note: These links will open in a new tab to show the 404 page.

404 Page Features Demo

🎨 Visual Design
  • Gradient background
  • Animated elements
  • Shimmer effects
  • Responsive layout
🔍 Search Features
  • Built-in search box
  • Keyboard shortcuts
  • Search suggestions
  • Instant results
🧭 Navigation Help
  • Quick links to main sections
  • Smart URL suggestions
  • Back button functionality
  • Breadcrumb navigation

Testing Checklist

Use this checklist to verify the 404 page works correctly:

404 Page Testing

  • Custom 404 page loads for non-existent URLs
  • Search functionality works
  • Quick links navigate correctly
  • Back button functions properly
  • Page is responsive on mobile

Browser Compatibility

Test in multiple browsers:

Browser 404 Page Notes
Chrome ✅ Full support
Firefox ✅ Full support
Safari ✅ Full support
Edge ✅ Full support
Mobile ✅ Responsive design

Technical Implementation

404 Page Setup

<!-- docs/404.html -->
<!DOCTYPE html>
<html>
<head>
    <title>Page Not Found</title>
    <!-- Custom styling and functionality -->
</head>
<body>
    <!-- Interactive 404 page content -->
</body>
</html>

Performance Impact

The 404 page is optimized for minimal performance impact:

404 Page

  • File Size: ~15KB (compressed)
  • Load Time: <100ms
  • Dependencies: None (standalone)

Accessibility Features

The 404 page includes accessibility considerations:

  • Keyboard Navigation - Full keyboard support
  • Screen Reader Support - Proper ARIA labels
  • High Contrast - Visible in all modes
  • Focus Management - Clear focus indicators

The 404 page is production-ready and follows current web standards and best practices.