<picture><source Type="image/webp" Srcset="http... -

: You can serve different images entirely based on screen size using media queries within the tag (e.g., a square image on mobile, a landscape image on desktop).

: This tells the browser: "If you support WebP, use the image(s) listed here". The srcset attribute defines the URL of the image, and often includes width descriptors (e.g., 400w ) to tell the browser how wide the image is. <picture><source type="image/webp" srcset="http...

It is the fallback for browsers that do not support the tag or WebP (e.g., very old browsers). : You can serve different images entirely based

: A wrapper tag that acts as a container for multiple elements and one required element. It allows the browser to choose the best image based on viewport size or browser capability. a square image on mobile