The "b" tag is used to make text bold in html.
<b>coderraj.com</b>
Example
<!Doctype Html>
<html>
<head>
<title>b Tag</title>
</head>
<body>
<b>coderraj.com</b>
</body>
</html>
Output
coderraj.com
Copyright ©2022 coderraj.com. All Rights Reserved.