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PropertyData for May 2026

issn

Estimated domains

1K - 10K
schema.org/issn

Description

The International Standard Serial Number (ISSN) that identifies this serial publication. You can repeat this property to identify different formats of, or the linking ISSN (ISSN-L) for, this serial publication.

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

Expected value types

Legend

PropertySchema typeData typeEnumeration

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.