core + attic (Attic Area): these terms have been either depricated from the core or extentions, or removed from pending as not accepted into the full vocabulary.

suggestedMaxAge

Canonical URL: http://schema.org/suggestedMaxAge

Thing > Property > suggestedMaxAge

Maximal age recommended for viewing content.

Usage: Between 100 and 1000 domains
Values expected to be one of these types
Number
Used on these types
PeopleAudience

Schema Version 3.2