Lazy Loading Test Page

Scroll down to see lazy loading in action. Open browser dev tools to monitor network requests.

Hero Image (Eager Loading - Loads Immediately)

Hero Image

Scroll down to trigger lazy loading...

Standard Lazy Loading Images

These images will load when they come into view

Web Programming
Web Programming
Mobile Development
Mobile Development
Software Development
Software Development

Images with Fallback (Broken URLs)

These demonstrate error handling and fallback images

Broken Image
Image with Fallback
Another Broken Image
Image without Fallback

Background Images

Lazy loading also works for background images

Different Aspect Ratios

Images with predefined aspect ratios

Square Image
Square (1:1)
4:3 Image
4:3 Ratio
16:9 Image
16:9 Widescreen

Performance Test (Multiple Images)

Multiple images to test loading performance

Test Image 1
Image 1
Test Image 2
Image 2
Test Image 3
Image 3
Test Image 4
Image 4
Test Image 5
Image 5
Test Image 6
Image 6
Test Image 7
Image 7
Test Image 8
Image 8
Test Image 9
Image 9
Test Image 10
Image 10
Test Image 11
Image 11
Test Image 12
Image 12

Manual Implementation

Images using manual data-lazy attributes

Manual Lazy Image
Manual Implementation
Manual Background
Manual with Fallback
Manual with Fallback

JavaScript API Demo