HTML Comments

Comment tags <!-- and --> are used to insert comments in HTML.

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HTML Comment Tags

You can add comments to your HTML source by using the following syntax:

<!-- Write your comments here -->

Note: There is an exclamation point (!) in the opening tag, but not in the closing tag.

With comments you can place notifications and reminders in your HTML:Comments are not displayed by the browser, but they can help document your HTML.

Example

<!-- This is a comment -->

<p>This is a paragraph.</p>

<!-- Remember to add more information here -->

Try it Yourself >>

Comments are also great for debugging HTML, because you can comment out HTML lines of code, one at a time, to search for errors:

Example

<!-- Do not display this at the moment
<img border="0" src="pic_mountain.jpg" alt="Mountain">
-->

Try it Yourself >>

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Conditional Comments

You might stumble upon conditional comments in HTML:

<!--[if IE 8]>
    .... some HTML here ....
<![endif]-->

Conditional comments defines HTML tags to be executed by Internet Explorer only.

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Software Program Tags

HTML comments tags can also be generated by various HTML software programs.

For example <!--webbot bot--> tags wrapped inside HTML comments by FrontPage and Expression Web.

As a rule, let these tags stay, to help support the software that created them.

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Test Yourself with Exercises!