Cloudinary is the more common of the two in our index: it runs on 251 websites against 170 for Arc XP. Counts come from real scans, not vendor claims.
Arc XP is a cloud-based digital experience platform that helps enterprise companies, retail brands and media and entertainment organization create and distribute content, drive digital commerce, and deliver powerful experiences.
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.