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This is a great talk!
65% of the developing world […] do not have a consistently fast internet connections (20% of the developed world). For them, connectivity is less utility and more luxury. For them, slow devices, slow connections and slow experiences are the norm.
Apparently, an image whose part above the fold is indeed the largest, but of which only a small part can be seen, can be considered an LCP element, even if another image has a larger part visible... 😭
You can see this for my photography site in this WebPageTest result:
https://www.webpagetest.org/vitals.php?test=230606_BiDcN4_4NJ&run=3&cached=0#lcp
Looks like we will soon have JPEG XL in Safari! 🥳
Looks like <link rel="preconnect" …> will start working again in Firefox 115! 🥳
Is there a viable animated GIF alternative yet or what?
We need to talk about video and animated image formats in the same breath. Many articles compare video formats to GIF, or image formats to each other,…
Watch Out for Layout Shifts with ‘ch’ Units
In our case, we were using ch units to define our page layout. This meant that our post content was equal to 50ch units (or the width of fifty…
Simon Hearne 
Tyler Sticka