Check out example codes for "how to add image in title of html". It will help you in understanding the concepts better.
Code Example 1
<!-- HTML code to add icon in the title bar -->
<!DOCTYPE html>
<html>
<head>
<meta charset = "utf-8"/>
<title>HTML icon</title>
<!-- add icon link -->
<link rel = "icon" href ="https://unsplash.com/photos/bpJ8qeyo1-w"
type = "image/x-icon">
</head>
<body>
<h1 style = "color:green;">ADDING WEBSITE ICON </h1>
<p>New icon added in the title bar</p>
</body>
</html>
Code Example 2
<link rel="shortcut icon" href="/favicon.ico" type="image/x-icon">
Code Example 3
<link rel="icon" href="icon_path" type="image/icon type">
Code Example 4
<link rel = "icon" type = "image/png" href = "name-of-image.png">
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