Note/InfoThe <main> tag is a new tag added in HTML5.
HTML5 <main> tag
If you wish to use this tag, you must place only the main content(most important information) of the <body> tag using the <main> tag.
There must be only one <main> tag in the HTML document and it should contain the unique content only (no duplicate content).
Syntax: <main> text….</main>
Note/Info: This tag should not be the child (descendant) of <article>, <aside>, <nav>, <header> or <footer> elements.
Example
<main><h1>WOMEN EMPOWERMENT</h1><article><h2>Educational Women Empowerment</h2><p>It means empowering women with the knowledge, skills</p></article></main>