tool · inferred from evidence
canvas
A query argument used in image URLs to specify target dimensions for resizing.
- Fastly Magento2 Deep Image Optimization "Failed to shrink image" on product lists
The "Failed to shrink image" warning was a red herring: the actual cause was a missing canvas query argument on the image URLs, so the image optimizer had no target dimensions to shrink to. Adding the canvas argument (e.g.