2.8.3 Media Metadata — Tags, Alt Text, Descriptions

Media metadata enriches assets with context, accessibility, and discoverability. Metadata is stored independently of the file itself and can evolve over time.

Metadata Structure

{ "alt": "City hall facade", "description": "Main entrance of the municipal building", "tags": ["building", "municipality", "public"] }

Metadata fields include:

Alt text (required for accessibility)

Descriptions

Tags and classifications

Accessibility Integration

Alt text is:

Mandatory for public images

Validated during publishing

Exposed to rendering and API layers

This ensures WCAG-compliant output.

Search and Filtering

Metadata enables:

Full-text media search

Tag-based filtering

Asset reuse across modules

Summary

Media metadata ensures assets are accessible, searchable, and reusable across Praisma Hub.