utilisations de la balise div, section et article en html
<span> - used to stylize a very small part of text by CSS(Cascading Style Sheets).
<div> - groups content, used mainly to add a class to a groups of different tags and apply CSS.
<section> - groups related content, helps the disabled people to communicate to the computer through the assistive technology , forexample: for the screen readers.etc
<article> - groups independent, self-contained content, helps the disabled people to communicate to the computer through the assistive technology , forexample: for the screen readers.etc
article html
<article>
<h2>Article Header</h2>
<section>
<h3>Section Header</h3>
<p>Paragraph</p>
<p>Paragraph</p>
<p>Paragraph</p>
</section>
<section>
<h3>Section Header</h3>
<p>Paragraph</p>
<p>Paragraph</p>
<p>Paragraph</p>
</section>
</article>