Cloudinary is the more common of the two in our index: it runs on 209 websites against 171 for Adobe Dynamic Media Classic. Counts come from real scans, not vendor claims.
Adobe Dynamic Media Classic is a platform that enables customers to manage, enhance, publish, and deliver dynamic rich media content and personal experiences to consumers across all channels and devices, including web, print material, email campaigns, desktops, social, and mobile.
Cloudinary is an end-to-end image- and video-management solution for websites and mobile apps, covering everything from image and video uploads, storage, manipulations, optimisations to delivery.
Want to know which one a particular site uses? Look it up and see its whole stack, or compare two sites side by side.