Source: Schema.org v30.1 vocabulary. Official publishedOn property definition.
What does publishedOn mean?
A broadcast service associated with the publication event.
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