# Presentation problem - iframe not showing

**URL:** https://meta.discourse.org/t/presentation-problem-iframe-not-showing/319484
**Category:** Support
**Tags:** composer
**Created:** [July 31, 2024, 2:58pm UTC](https://meta.discourse.org/t/presentation-problem-iframe-not-showing/319484 "2024-07-31T14:58:33Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![gvianna](https://avatars.discourse-cdn.com/v4/letter/g/6de8d8/32.png) [@gvianna](https://meta.discourse.org/u/gvianna)
#### Post date: [July 31, 2024, 2:58pm UTC](https://meta.discourse.org/t/presentation-problem-iframe-not-showing/319484/1 "2024-07-31T14:58:34Z")

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When I type the code the preview that should appear is not appearing, does anyone know why?

 ![image](https://global.discourse-cdn.com/meta/original/4X/f/e/4/fe40087019f4d87e1f81690baf7b016ceb1e4373.png)

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<div class="post-metadata">

### Author: ![Lilly](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/lilly/32/575047_2.png) [@Lilly](https://meta.discourse.org/u/Lilly)
#### Post date: [July 31, 2024, 3:49pm UTC](https://meta.discourse.org/t/presentation-problem-iframe-not-showing/319484/2 "2024-07-31T15:49:41Z")

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That is most likely because that iframe source isn’t listed in the admin-site settings `allowed iframes` domains. When the domain isn’t allowed, the iframe shouldn’t show.

 ![image](https://global.discourse-cdn.com/meta/original/4X/9/d/f/9dfe0520cc6efd009aa5da91376dd37192164389.png)