<img Decoding="async" Class="alignnone Size-ful... -

You likely saw this because adds this attribute to images by default to boost site speed automatically.

: Normally, decoding a large image can "block" the browser from rendering text or other elements. async allows the browser to keep showing the rest of the page while the image is being prepared in the background. <img decoding="async" class="alignnone size-ful...

decoding="async" height="x" loading="lazy" · quarto-dev · ... - GitHub You likely saw this because adds this attribute