The Performance Inequality Gap, 2023
Alex Russell
DECEMBER 18, 2022
TL;DR : To serve users at the 75 th percentile ( P75 ) of devices and networks, we can now afford ~150KiB of HTML/CSS/fonts and ~300-350KiB of JavaScript (gzipped). This is a slight improvement on last year's budgets , thanks to device and network improvements. Meanwhile, sites continue to send more script than is reasonable for 80+% of the world's users , widening the gap between the haves and the have-nots.
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