# Viewport metadata

Metadata that guides how a page's viewport is sized and scaled on mobile devices.

## What is **Viewport metadata**?

**Viewport metadata** — Metadata that guides how a page's viewport is sized and scaled on mobile devices.

```html
<meta name="viewport" content="width=device-width, initial-scale=1">
```

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

Updated: September 27, 2026

Source: https://www.ask-codey.com/glossary/viewport-metadata