Fallback Image

A valid <picture> tag must contain an <img> tag, and a valid <img> tag must contain a src with a single image. We call this the ‘fallback' image.

Fallback Width

Format: fallback_width: (integer)

Example: fallback_width: 800

Default: 800

Width of the fallback image.

Fallback Format

Format: fallback_format: (format)

Example: fallback_format: jpg

Default: original

Format of the fallback image.