Note from 14 October 2021
Looks like support for loading="lazy" in webkit is almost there! 🎉
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older note:
Note from 8 October 2021 -
newer note:
Note from 16 October 2021
Related contents with similar topics
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I have a client site with a header that is hidden when the user scrolls down, but shown again when the user scrolls up, which seems pretty comon nowadays.
This triggers some CLS, even if the hide/show is done in less than 500 ms, as “continuous interactions such as scrolls, drags, or pinch and zoom gestures are not considered ‘recent input’”. 😞
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Why web performance still matters in 2023
Another excellent article from Sia about performance, but also equity and the environment. 😍
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Priority Hints and optimizing LCP
Increasing the priority of a resource usually comes at the cost of another resource, so Priority Hints should be used sparingly. However, if the browser is queuing your LCP image, I recommend you experiment with Priority Hints to see if you can reduce this waiting time and improve your LCP.
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Same page tested on PageSpeed Insights over a few hours the same day, without anything modified, and the desktop scores vary from 19 to 59… 🤷♂️
A lot of businesses rely on this crap to now if their site is "fast" enough for Google SEO! 😭
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The Right Way to Use fonts.com Web Fonts
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.
Matthias Ott