Mastering HTML: A Guide on How to Put a Comment in HTML

how to put a comment in html

As a web developer, using HTML comments is an essential skill that can greatly improve the readability and organization of your code. In this comprehensive guide, I will walk you through the process of adding comments to your HTML code.

By understanding the syntax, tag, format, and best practices of HTML comments, you’ll be able to create more structured and legible code, making it easier to collaborate with others and maintain your projects in the long run.

Key Takeaways:

  • HTML comments are non-executable text that can be used for explanatory or note-taking purposes.
  • Comments in HTML are denoted by a specific syntax and utilize the HTML comment tag.
  • Best practices for using HTML comments in your code include proper placement, length, and purpose.
  • HTML comments can be styled using CSS to make them more visually appealing or distinguishable from regular code.

Understanding HTML Comment Syntax and Tag

HTML comments are an essential tool for web developers to add notes and explanations in their code. Comments in HTML are non-executable text that do not appear on the webpage but can be seen in the code. Comments can be helpful for other developers who are working on the same project, as well as for the developers themselves to keep track of their code.

The syntax of a comment in HTML consists of “<!–“, followed by the comment itself, and closed with “–>“. The comment itself can be any text or characters, as long as it’s within the comment syntax.

The HTML comment tag is <!– –>. The tag must be placed at the beginning and the end of the comment to ensure it’s readable by the browser and other developers.

HTML Comment Syntax

The syntax of an HTML comment is not complex, and it is easy to understand. As mentioned earlier, an HTML comment starts with “<!–” and ends with “–>“.

HTML comments can occur anywhere within an HTML document and can be used to explain code, describe a section of code, or provide any other comments that are important for the developer.

HTML Comment Tag

The HTML comment tag is <!– –>, and it must be used at the beginning and end of the comment. When the browser reads these tags, it ignores the comment and does not render it on the webpage.

The HTML comment tag can be used to hide code temporarily or to add notes or explanations that help other developers understand the code. Also, comments can help the developer keep track of their code and make it easier to find elements within the code.

Now that you understand the syntax and tag of HTML comments, you can effectively use comments in your HTML code to improve the readability and organization of your code.

Exploring HTML Comment Format and Examples

Using comments in HTML is not only helpful for you, but also for other developers who might work on your project. There are different formats you can use for comments. Let’s explore some examples:

Format Example
Single-line comment <!– This is a single-line comment –>
Multi-line comment <!– This is a multi-line comment
that spans across several lines –>
Commented out code <!–<p>This code is commented out</p>–>

As you can see, adding comments is quite simple. You just need to start with <!– and end with –>. You can then type your comment between these two tags. If you need to add a multi-line comment, you can do so by adding <br> tags between the lines.

It’s important to note that commented out code is not executed by the browser. This technique can be helpful if you want to temporarily disable some code without deleting it altogether.

Best Practices for HTML Comments

While comments in HTML can be incredibly useful for organizing your code and providing relevant information, it’s important to follow a few best practices to ensure they are used effectively and don’t interfere with the functioning of your website.

First and foremost, it’s recommended that you keep your comments brief and to the point. While it can be tempting to write long explanations or detailed notes, it’s important to remember that comments are intended to provide a quick reference or reminder, rather than replace documentation or a full explanation in your code.

Additionally, it’s important to place your comments in relevant locations within your HTML code. This means including comments before or after a specific section of code, rather than in the middle of a line. This makes it easier for other developers to quickly identify the intended purpose of each section of code.

Another best practice for using comments in HTML is to use standard syntax and formatting. This means using the appropriate HTML comment syntax and tag, and sticking to consistent formatting throughout your code. This can help ensure that your comments are easy to read and understand for yourself and others who may be working on your website.

Finally, it’s important to review your comments regularly and update or remove them as needed. This helps to keep your code organized and relevant, and ensures that any notes or explanations you’ve included are accurate and up-to-date.

Implementing HTML Comment Code

Now that you have a solid understanding of HTML comment syntax, tag, format, and best practices, it’s time to put that know-how into action and start adding comments to your HTML code!

To add a comment in your HTML code, simply use the following syntax: <!– your comment here –>. Remember to replace “your comment here” with your actual comment. This code should be added where you want the comment to appear within your HTML file.

Let’s say you want to add a comment to a line of HTML code that defines a paragraph:

HTML Code HTML Comment Code
<p>This is a paragraph.</p> <!–This is the paragraph element.–>

As you can see in the example above, the comment is added directly above the line of code it is referencing, and the comment itself is enclosed in <!– and –>.

It’s important to note that HTML comments do not affect the output of your code; they are there purely for human readability and collaboration. Keep this in mind when deciding where and how to implement comments in your HTML files.

If you want to add comments to multiple lines of code at once, you can enclose them in a block of <!– and –>. Here’s an example:

HTML Code HTML Comment Code
<p>This is a paragraph.</p>
This is a div element.
This is the heading element.
This is the paragraph element.

Once you have added your comments, it’s always a good idea to double-check your code to ensure that everything is working as intended.

Overall, adding comments to your HTML code can greatly enhance readability, organization, and collaboration. By following the guidelines and syntax outlined in this guide, you can effectively implement and utilize comments in your HTML files.

Styling HTML Comments

While HTML comments may seem simple and straightforward, they can also be styled to make them stand out from the rest of your code. This can be helpful when you want to draw attention to specific notes or comments.

To style your HTML comments, you can use CSS to change their font, size, color, and more. Here’s an example of how you can format your comments using CSS:

Code Output
/* This is a comment */ This is a comment
/* This is an important comment */ This is an important comment
/* This is a styled comment */ This is a styled comment

As you can see from the example above, you can use the tag to emphasize the text within your comments, and then use CSS to format that text in various ways.

Keep in mind that while it can be helpful to style your comments, it’s important not to go overboard. Comments should always be easy to read and distinguishable from your regular code, but they should never detract from the overall readability and organization of your HTML files.


In this article, I have provided a comprehensive guide on how to put a comment in HTML. By mastering the syntax, tag, format, and best practices of HTML comments, you can now enhance the readability, organization, and collaboration of your code.

Adding comments to your code not only helps you and other developers understand the code’s purpose and functionality but also comes in handy when you need to make updates or changes to your project. Now that you know how to implement HTML comments, you’ll be able to write clean, maintainable code that is easy to work with.

Remember, following best practices for using comments in HTML is key to ensuring that your code remains easy to read and understand. It’s important to strike the right balance between providing enough information and not overloading your code with unnecessary comments.

By applying the techniques outlined in this guide, you’ll be able to take your web development skills to the next level and create professional-looking websites that are easy to maintain and update. So, start adding comments to your HTML code today and see the difference it makes!


Q: What is an HTML comment?

A: An HTML comment is non-executable text that you can insert within your code to provide explanations or make notes for yourself or other developers.

Q: How do I add a comment in HTML?

A: To add a comment in HTML, you can use the HTML comment tag . Anything between these tags will be treated as a comment and will not be displayed on the webpage.

Q: Can I add multiple lines of comments in HTML?

A: Yes, you can add multiple lines of comments in HTML. Simply start each line with the comment tag to create a multiline comment.

Q: Are HTML comments visible on the webpage?

A: No, HTML comments are not visible on the webpage when viewed in a browser. They are purely for developers’ reference and do not affect the appearance or functionality of the webpage.

Q: Can I add comments within HTML elements?

A: Yes, you can add comments within HTML elements by placing the comment tags inside the opening and closing tags of the element. This can be helpful for providing additional information or clarifications about specific sections of your code.

Q: Are there any best practices for using HTML comments?

A: Yes, it’s recommended to use HTML comments sparingly and only for relevant and necessary information. Keep your comments concise and clear, and avoid cluttering your code with excessive comments. Additionally, it’s important to regularly review and update your comments to ensure they remain accurate and useful.

Q: Can I style my HTML comments?

A: Yes, you can style your HTML comments using CSS. By applying CSS properties and selectors to your comment tags or wrapping them in HTML elements, you can customize their appearance to match your website’s design or make them more visually distinct from the rest of your code.

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