Understanding HTML Iframes

An iframe (Inline Frame) is an HTML element that allows you to embed another HTML document within a current HTML document. This is particularly useful when you want to display content from another website without redirecting the user, like a YouTube video, a map from Google Maps, or a simple weather widget.

The content inside an iframe is independent of the main page's content, meaning it has its own scroll bar, its own links, and it does not interact directly with the content outside of its borders.

Example of Using an Iframe

<iframe width="300" height="200" src="https://www.example.com"></iframe>

In this example, the iframe is set to display content from "https://www.example.com". The width and height attributes define the size of the iframe window.

When using iframes, it's important to consider the security and performance implications. Always ensure you trust the content you are embedding, as it can affect your site's security.