: Browsers only download the file type they support and the image size that fits the screen, saving bandwidth. HTML picture element - MDN Web Docs
: WebP files offer better compression than JPEG or PNG, resulting in smaller file sizes. <picture><source type="image/webp" srcset="http...
: 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. : Browsers only download the file type they