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Let’s talk about web fonts. More specifically, about a mistake I have seen developers make in several projects for different agencies: Embedding a web font in the wrong way.
All of this is also true for self-hosted font coming from elsewhere, and even for variable fonts.
Sam Magura
Why We're Breaking Up with CSS-in-JS
Thanks for reading this deep dive into runtime CSS-in-JS. Like any technology, it has its pros and cons. Ultimately, it's up to you as a developer to evaluate these pros and cons and then make an informed decision about whether the technology is right for your use case. For us at Spot, the runtime performance cost of Emotion far outweighed the DX benefits, especially when you consider that the alternative of Sass Modules + utility classes still has a good DX while providing vastly superior performance.
a tool that automatically matches the fallback font to the custom font–because computers are good at that stuff.
Reduce Cumulative Layout Shift (CLS) by adjusting web fonts and system font fallbacks using special @font-face descriptors.
Prevent layout shifts with CSS grid stacks
I keep sending people this clever solution provided by Hubert, I wonder why I still didn't add it to my links!
My photography site is hosted on #Cloudflare, and they transform preload into HTTP/2 push. Great!
But why is my preloaded/pushed font downloaded twice then? 😅
Matthias Ott 
Malte Ubl
Brian Louis Ramirez
Hubert Sablonnière