The brain is a muscle, and as all muscles, it needs regular exercise to keep sharp, which is why I decided to take very old, but efficient, web optimization technique and implement it in new crazy way. You’ve most likely heard about loading images (and other resources) on demand – which is not only a common sense, but also a good way to speedup initial page load. Usually it is implemented via JavaScript, but today I’ll share with you how you can achieve the same effect by using pure CSS.
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