Note from 9 November 2021
Without any visual change, a simple config change in my #Eleventy plugin images-responsiver improved srcset and sizes attributes of images on my photography site and have reduced the homepage weight by half! 🏎

Without any visual change, a simple config change in my #Eleventy plugin images-responsiver improved srcset and sizes attributes of images on my photography site and have reduced the homepage weight by half! 🏎

The present and potential future of progressive image rendering
So if the browser manages to download 6 kB then stalls, then AVIF can produce a better result. But since the AVIF rendering is only two-pass, if the…
kliksphilip
JPEG VS AVIF - The Battle of Compression
In this super thorough study I test one single HD image and come to vast sweeping conclusions about JPEG XL and AVIF. But that's still one image comparison…
About https://techhub.social/@cloudcannon/112604279395366912
Alex […] shares how using CloudCannon for client sites boosts performance and efficiency 🚀
I love #CloudCannon's efficiency. 👍
But with an SSG, #WebPerf depends on the way you build pages. Good SSGs — as #Eleventy — don't force anything so performance is really just the result of developer's work.
The CMS should have no impact. 🤷♂️
Should I please Lighthouse with modern image formats, or my visitors with progressive rendering of large images in my photography site? 🤔

Of course, this would be much easier with genaralized JPEG XL support, both modern and allowing progressive… 🤷♂️
Most mentions of the magical CSS object-fit: cover; in development tutorials should be accompanied by a warning: in most situations, it means the browser will download an image that is larger than required (at least in one direction), and optimization on the server side could be a better option.