# itemid

An attribute giving a typed microdata item a global identifier.

## What is **`itemid`**?

**`itemid`** — An attribute giving a typed microdata item a global identifier.

Level: Freelancer · [More HTML terms at this level](https://www.ask-codey.com/glossary/subjects/html/freelancer)

Updated: September 27, 2026

Source: https://www.ask-codey.com/glossary/itemid