CSS Portal

HTML <b> Tag

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<b>
HTML TagThis tag is supported by all modern browsers.
Updated 25th December 2025

Description

The <b> tag in HTML is used to make text bold, providing a visual emphasis without conveying any extra semantic meaning. It is primarily a stylistic element, which distinguishes it from tags like <strong>, which are intended to indicate importance or strong emphasis to both users and assistive technologies.

The <b> tag can be used to highlight keywords, product names, or any text that needs to stand out visually, but it does not imply that the content is more important or urgent. Because it’s purely presentational, it’s ideal for cases where you want bold formatting for design purposes rather than for accessibility or semantic emphasis.

Key Features:

  • Purpose: Bold text for styling or visual emphasis.
  • Semantic meaning: None; purely visual.
  • Content model: Can contain text and inline elements.
  • Browser support: Fully supported across all modern and legacy browsers.
  • Accessibility: Screen readers generally do not interpret <b> differently from normal text since it does not indicate importance. For semantic importance, <strong> should be used instead.

Example Usage:

<p>Our new product, the <b>UltraWidget 3000</b>, is now available online!</p>

Result: Our new product, the UltraWidget 3000, is now available online!

Best Practices:

  • Use <b> when you want visual bolding without implying importance.
  • Prefer <strong> if you want to convey importance or urgency semantically.
  • Combine <b> with CSS for more advanced styling if needed, e.g., font-weight or color.

Properties

Permitted Parents
Any element that accepts phrasing content
Content
Inline and text
Start/End Tags
Start tag: required, End tag: required

Example

This text is going to be <b>bolder</b>
Open in editor

Attributes

None

Global Attributes

The <b> tag also supports the Global Attributes in HTML5

Event Attributes

The <b> tag also supports the Event Attributes in HTML5

Browser Support

The following information will show you the current browser support for the HTML <b> tag. Hover over a browser icon to see the version that first introduced support for this HTML tag.

This tag is supported by all modern browsers.

Desktop

Chrome
Edge
Firefox
Opera
Safari

Tablets & Mobile

Chrome Android
Firefox Android
Opera Android
Safari iOS
Samsung Internet
Android WebView
-
Supported Unknown Not supported
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