PropertyData for July 2026

constraintProperty

Indicates a property used as a constraint. For example, in the definition of a StatisticalVariable. The value is a property, either from within Schema.org or from other compatible (e.g. RDF) systems such as DataCommons.org or Wikidata.org.

Definition from the Schema.org vocabulary (English).

Estimated domains

< 1K stable

Ranking position#2,099 of 5,545

Google eligibleNo

Used on types1

Trend over time

Domain tier in each available month.

Used on types

ConstraintNode< 1K

Expected value types

Legend

PropertySchema typeData typeEnumeration

Property
URL

Tiers indicate the number of unique domains using the term. They are intentionally approximate to reduce noise and protect site privacy. How to read the data.