PropertyData for May 2026

readonlyValue

Estimated domains

< 1K

Description

Whether or not a property is mutable. Default is false. Specifying this for a property that also has a value makes it act similar to a "hidden" input in an HTML form.

Definition from the Schema.org vocabulary (English).

Trend over time

At least two months are needed to show a trend. The series will grow with every monthly update.

Used on types

PropertyValueSpecification10M+

Expected value types

Legend

PropertySchema typeData typeEnumeration

Boolean

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.