Note from 21 March 2023
Looks like Google likes it when we start improving websites performance! 🚀
Related contents with similar topics
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Jeremy Wagner
New field insights for debugging INP
Interaction to Next Paint (INP) is a Core Web Vital that measures how responsive a page is to interactions. Due to INP's scope, it can be difficult…
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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
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Watch Out for Layout Shifts with ‘ch’ Units
In our case, we were using
chunits to define our page layout. This meant that our post content was equal to50chunits (or the width of fifty… -
Limiting the image density on mobile devices drasticaly improves performance, with no visual loss, so we did it!
I still wish it was much easier than dealing with
<picture>andxdescriptors for fluid images… 😞With a
<img maxdensity="2.5" …>attribute for example!If you agree, comment:
https://github.com/whatwg/html/issues/4421 -
I love #SpeedCurve's simple and efficient Core Web Vitals Real User Monitoring, especially when everything is green! 🥳
This is a real e-commerce site, with many real users everyday. After a few months of performance optimisation.
Paul Hebert