What is Heading in html and how to add h1 in a web page or post?

What is Heading in html and how to add h1 in a web page or post? Heading is the most important part of our website. It helps us in search engine optimization. It shows that there is some title to specific post. It behaves like a name to some post. It also express that what may be the article downwards or what can be the content that will be under it. It summarize the content. Like if someone come and open google and type there "List of restaurants in NY", Google will show the details about the particular search and will show a list of pages which will have the same text in their title. This was the simplest example for heading, which clearly shows that headings play an important role in getting traffic. List of Heading Tags h1 - The biggest heading in font size and line height h2 - Smaller than h1 h3 - Smaller than h2 h4 - Smaller than h3 h5 - Smaller than h4 h6 - Smaller than h5 We can utilize these headings like this; <h1>Your Heading</h...