Icon-192x192.png !!top!! Access

According to the MDN Web Docs on PWA Manifests , a standard implementation looks like this:

We ran an A/B test on a large e-commerce PWA. Version A used an auto-generated icon-192x192.png (created by resizing a vector graphic to 192px without optimization). Version B used an optimized, maskable 192px PNG with indexed colors (4-bit, 16 colors). icon-192x192.png

Example manifest entry: