---
title: Schema Timestamps: How “Last Updated” Boosts AI Trust
slug: schema timestamps
---

### FAQ Expansion
### Q: Why include timestamps?
Schema timestamps prove data freshness to AI crawlers.

### Q: Where should they appear?
Use the dateModified and lastReviewed fields in your JSON and YAML files.

### Q: How often should you update?
At least quarterly, or any time business info changes.

Timely schema timestamps help assistants favor your data over stale competitors.