The first source element points to an image in the new AVIF format. If the browser is capable of rendering AVIF images, then that's the image file it chooses. Otherwise, it moves on to the next source element.
The first source element points to an image in the new AVIF format. If the browser is capable of rendering AVIF images, then that's the image file it chooses. Otherwise, it moves on to the next source element.