What is a different between heading marks (h1 - h6) and font-size?

Question

If there is a option for font-size then why we have to use heading?

Answer 1

the heading(h1-h6) is used for the structure of the Page, if u have too many contents, so they will make your code lokks better and orgnaized

Answer 2

Heading are used to provide a title to an article. In HTML <h1> through <h6> heading are used for above purpose. Semantically, heading level depicts the importance of the heading and font-sizes of headings are predefined. Now if you want to re define their respective sizes, you can use font-size CSS property against heading tag. For example I want to make h1, h2, and h3 of same font size, then I will use following CSS rule

h1,h2,h3{
font-size:18px; /* same for all*/
}

Answer 3

Headings are used by search engines to find the page. Never use headings to display text with big font sizes.