Image-source guides

Understand what a webpage exposes.

Short technical guides for a common browser-image surprise: the file Chrome saves is not always the URL written in an image’s src attribute.

Why Chrome saves WebP or AVIF

Responsive images can let a webpage offer several candidates. Chrome may render a WebP or AVIF candidate even when an image element has a different literal src.

img src, srcset, and currentSrc

See how an image’s fallback source, alternate candidates, and browser-selected current source relate to each other.