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# iframe Tag

The `iframe` tag is a tag used to display another web page within a web page, often for embedding external videos (e.g., YouTube), maps (e.g., Google Maps), or other external websites.

```html title="iframe Tag Example"
<iframe src="https://example.com" width="500" height="300"></iframe>
```

In the example above, using this code will display the `example.com` web page within an area of `500x300` size on the current page.

<br />

## Key Attributes of the iframe Tag

The `iframe` tag can utilize the following attributes.

<br />

### `src`

The `src` attribute specifies the URL of the web page to be embedded.

```html title="iframe src Attribute Example"
<iframe src="https://example.com"></iframe>
```

<br />

### width and height

The `width` and `height` attributes specify the size of the `iframe`.

```html title="iframe width & height Attribute Example"
<iframe src="https://example.com" width="400" height="250"></iframe>
```

The `src` attribute is crucial for specifying the URL of the web page to be embedded. It allows you to include an external web page within the current page.

### Which attribute of the iframe tag is used to specify the URL of a web page?