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https://www.smashingmagazine.com/2015/09/why-performance-matters-the-perception-of-time/#the-need-for-performance-optimization-the-20-rule
您即将离开知乎,请注意您的帐号和财产安全。
https://www.smashingmagazine.com/2015/09/why-performance-matters-the-perception-of-time/#the-need-for-performance-optimization-the-20-rule