Source: Schema.org v30.1 vocabulary. Official suggestedMaxAge property definition.
What does suggestedMaxAge mean?
Maximum recommended age in years for the audience or user.
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