HTML contains sveral elements that allow you to define text that has special meaning.
Formatting elements were designed to display text in a special way:
<b> - Bold text<strong> - Important text<i> - Italic text<em> - Emphasized<mark> - Marked text<small> - Smaller text<del> - Deleted text<ins> - Inserted text<sub> - Subscript text<sup> - Superscript textThe HTML <b> defines bold text, without any extra importance.
The HTML <strong> element defines text with strong importance. The content inside is typically displayed in bold.
The HTML <i> element defines a part of text in an alternate voice or mood. The content inside is typically displayed in italic.
The <i> tag is often used to indicate a technical term, a phrase from another language, a shim name, a thought, etc.
The HTML <em> element defines emphasized text. The content inside is typically displayed in italic.
A screen reader will pronounce the word in <em> with an emphasis, using verbal stress.
The HTML <small> element defines smaller text:
The HTML <mark> element defines text that should be marked or highlighted
The HTML <del> element defines text that has been deleted from a document. Browsers will usually strike a line through deleted text:
The HTML <ins> element defines a text that has been inseted into a document. Browsers will ususally underline inserted text:
The HTML <sub> element defines subscript text. Subscript text appears half a character below the normal line, and is sometimes rendered in a smaller font. Subscript text can be used for chemical formulas, like H2O:
The HTML <sup> element defines superscript text. Superscript text appears half a character above the normal line, and is sometimes rendered in a small font. Superscript text can be used for footnotes, like WWW[1]: