support what-is-hotlinking 
KeyCDN
JUNE 18, 2020
This allows the blacklisting of domains that are hotlinking content. This new feature can be enabled in just a few clicks and can result in significant costs savings if the content is hotlinked on other websites. Wildcard domains are supported too (e.g. *.example.com What is the HTTP Referer ? example.com ).
KeyCDN
SEPTEMBER 12, 2019
WebP conversion is supported with a paid license. We normally focus solely on the performance aspect, but today we want to dive into additional ways you can optimize images for the web. Below we will discuss the three areas in which you can better optimize images for web: How to optimize images for better web performance.
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