A Deep Dive into Native Lazy-Loading for Images and Frames
CSS - Tricks
MAY 15, 2019
Make sure your servers support the HTTP Range: 0-2047 header and respond with status code 206 (Partial Content) to prevent them from delivering the full image twice. You can find a comprehensive list of requirements in Scott Little's design documentation. Blink LazyLoad design documentation. Read more about tiny.pictures !
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