Lazy Load Background Images with the IntersectionObserver API - https://www.debugbear.com/blog/lazy-load-background-images-intersection-observer
#javascript
#javascript
Debugbear
Lazy Load Background Images with the IntersectionObserver API | DebugBear
The IntersectionObserver API is a performance-friendly browser API that allows you to lazy load background images asynchronously, outside of the main thread. This tutorial looks into how to implement it using HTML, CSS, and JavaScript.
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