A Deep Dive into Native Lazy-Loading for Images and Frames
CSS - Tricks
MAY 15, 2019
Until now, developers like ourselves have had to use JavaScript (whether it’s a library or something written from scratch) in order to achieve lazy-loading. You might have to perform a hard reload ( CTRL + Shift + R ) to re-trigger range requests. The pre-native approach. The auto (or unset) value. <img > Browser support.
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