A Deep Dive into Native Lazy-Loading for Images and Frames
CSS - Tricks
MAY 15, 2019
Well, that’s about to change when lazy-loading will be available natively in HTML as a new loading attribute… at least in Chrome which will hopefully lead to wider adoption. Most libraries work like this: The initial, server-side HTML response includes an img element without the src attribute so the browser does not load any data.
58 
Let's personalize your content