It looks like Coinbase's CDN uses unique identifiers for static assets to prevent caching, and the one Mozilla used for that image is out of date. Broken: http

It looks like Coinbase's CDN uses unique identifiers for static assets to prevent caching, and the one Mozilla used for that image is out of date. Broken: https://coinbase.com/assets/buttons/donation_large-36ee936185fdf9a88e3a28cc685fb9b7.png https://coinbase.com/assets/buttons/donation_large-36ee93618... Working: https://coinbase.com/assets/buttons/donation_large.png https://coinbase.com/assets/buttons/donation_large.png