Understanding HTML tags. – DEV Community

1. What are tags?
Tags are the basic building blocks of HTML. HTML is a group different kind of tags having their own unique properties. Every tag contains opening and closing tag. Tags are also opened and closed in a specific order. The most recent tag should be closed first than the outer one.
For example:

There are many number of tags, a few of are:

Example-1;

<h1>My HTML webpage content.</h1>

OUTPUT:

Example-2;

<h2>My Blog post</h2>
<img src="https://dev-to-uploads.s3.amazonaws.com/uploads/logos/resized_logo_UQww2soKuUsjaOGNB38o.png" />

OUTPUT: