HTML comments are not displayed in the browser, but they can help document your HTML source code.

Syntax:

Notice that there is an exclamation point (!) in the start tag, but not in the end tag.

<!-- Write your comments here -->

<aside> 📌 Note: Comments are not displayed by the browser, but they can help document your HTML source code.

</aside>

With comments you can place notifications and reminders in your HTML code:

<!-- Card Title -->

<h3>CardTitle</h3>

<!-- Card Text -->