CDN wouldn't help much. These days browsers partition caches by origin, so if two different tools (running on different domains) fetch the same model from the CDN, the browser would download it twice.
Did not know that. That sounds extraordinary wasteful, there must be a file hash based method that would allow sharing such files between domains.
Did not know that. That sounds extraordinary wasteful, there must be a file hash based method that would allow sharing such files between domains.