I was curious about that too. The img tag has a "srcset" attribute with resolutions from 85x48 to 1920x1080, but the "sizes" attribute is "(max-width: 300px) 1

I was curious about that too. The img tag has a "srcset" attribute with resolutions from 85x48 to 1920x1080, but the "sizes" attribute is "(max-width: 300px) 100vw, 300px".