# Medium rectangle: what it is and how it works · Zorraquino
> A medium rectangle is a rectangular advertising format placed within a page's layout.
URL: https://www.zorraquino.com/en/dictionary/advertising/mid-page-unit.html

# Medium rectangle

A medium rectangle is a rectangular advertising format placed within a page's layout. In digital advertising, it has been associated with dimensions including 300 × 250 pixels

What it means, how it is used and where it comes up, with its related concepts.

[The whole glossary](https://www.zorraquino.com/en/dictionary)

## What it is and how it works

The measurement is a format reference, not a guarantee of suitability for every mobile device or [container](https://www.zorraquino.com/en/dictionary/internet/container.html). Implementation should reserve space, keep advertising identifiable and avoid content shifts. The creative's behaviour and loading matter as much as its dimensions.

Also known as

MPU, Robapáginas

Topics

[Marketing and sales](https://www.zorraquino.com/en/dictionary/category/marketing-y-ventas)

## Related concepts

- [Banner ad](https://www.zorraquino.com/en/dictionary/advertising/banner.html)
- [Skyscraper](https://www.zorraquino.com/en/dictionary/advertising/skyscraper.html)
- [In-page ad formats](https://www.zorraquino.com/en/dictionary/advertising/integrated-formats.html)