How to comment in HTML?

In this tutorial, we will learn how to comment in HTML code.

<html>
<body>
<h1>Welcome To T4-Tutorials</h1>
<h2>Comments tag</h2>
<!-- This is a comment -->
<p>Thanks For Your Love For T4-Tutorials.....</p>
<!-- Comments can't be displayed in the web-page -->
</body>
</html>

<html>

<body>

<h1>Welcome To T4-Tutorials</h1>

<h2>Comments tag</h2>

<p>Thanks For Your Love For T4-Tutorials.....</p>

</body>

</html>

Images can be displayed in HTML comment or not?

Images can’t be displayed in HTML comment.

<html>
<body>
<h1>Welocme To T4-Tutorials</h1>
<h2>image can't dispaly in comments:</h2>
<!--
<img src="logo.jpg" alt="logo"/>
--->
</body>
</html>

<html>

<body>

<h1>Welocme To T4-Tutorials</h1>

<h2>image can't dispaly in comments:</h2>

<!--