Source: Schema.org v30.1 vocabulary. Official contentUrl property definition.
What does contentUrl mean?
Actual bytes of the media object, for example the image file or video file.
Used on types (domainIncludes)
Expected value types (rangeIncludes)
Schema.org domainIncludes and rangeIncludes are descriptive guidance, not strict validation prohibitions. Check the official reference for updates.
Related reference
Browse all Schema.org types and properties · Google feature support status