# dateModified

### dateModified: Core Facts

SectionAdvancedDomainGenerative Engine Optimization, AI SearchAcademyRankscale Search AcademyDefinitionJSON-LD property that must match the visible "Last updated" line. Mismatch = engines trust neither.Source modules[Module 5: Fill Your Content Gaps](/content/resources/modules/content-gaps/index.html)Last updated2026-04-27

### dateModified: Frequently Asked Questions

#### What is dateModified?

JSON-LD property that must match the visible "Last updated" line. Mismatch = engines trust neither.

#### Which modules cover dateModified?

dateModified is covered in [Module 5: Fill Your Content Gaps](/content/resources/modules/content-gaps/index.html) of the Rankscale Search Academy.

#### Is dateModified a advanced concept?

dateModified is an advanced concept. It becomes relevant once you start fixing, scaling, reporting, or operationalising GEO — typically from Module 4 onward.

The full [Glossary](/content/resources/glossary/index.html) has 90 terms — Foundational and Advanced. dateModified is covered in depth in [Module 5: Fill Your Content Gaps](/content/resources/modules/content-gaps/index.html). Start improving your AI visibility at [rankscale.ai](/content/site-root.html).