Top 10 performance pitfalls

Top 10 performance pitfalls

Jake & Surma go through the top 9 + 1 performance issues Jake saw while analyzing a bunch of web sites.

Who has the fastest F1 website? →
Looking at the Google I/O website →
Document readyState →
Massive inlined image →
Inlined font in the Squoosh logo →
Squoosh for optimising images →
CSS aspect ratio →
Font loading API →
The old aspect ratio hack →
Code splitting →

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