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<strong>

The HTML <strong> element highlights text that is of significant importance, often rendered in bold, to indicate a greater level of emphasis or urgency within the content.

<strong> Tag

The <strong> tag is used to highlight text that carries significant importance. While browsers typically display it in bold, its primary function is to indicate emphasis rather than just style the text.

Syntax

index.html
<strong>Strongly Emphasized Text</strong>

<strong> Demo

This is a very important message.

index.html
<p>
  This is a <strong>very important</strong> message.
</p>
For bold text without added emphasis, use the <b> tag.

Attributes

Key Points

  • The <strong> tag adds meaning, emphasizing text beyond just bold styling.
  • Browsers generally render <strong> text in bold.
  • It is primarily used to indicate importance, urgency, or emphasis.

See Also

  • <b> – for bold styling without emphasis.
  • <em> – for text emphasis.
  • CSS font-weight property – for text styling.

Conclusion

The <strong> tag is meant for text that conveys strong importance or urgency, often appearing in bold. Its function is primarily semantic, signaling meaning rather than just appearance. If bold styling is needed without emphasis, the <b> tag is a better choice.

<strike>

The HTML <strike> element, now deprecated, was intended to show text with a strikethrough effect to indicate irrelevance; modern practices use CSS to achieve similar visual outcomes.

<sub>

The HTML <sub> element presents text as subscript, placing it lower than the baseline. It is commonly used in contexts like chemical formulas or mathematical expressions.