Example

A simple <b> tag:

Laboratory

description & Usage

The <b> tag is used to make text bold.

This tag has no effect on marking up text as "important".

tag description
<h1> - <h6> To mark up main headings
<em>

To emphasize text

italic style

equal to <strong>

<strong>

To mark up important text

bold style

equal to <em>

<mark>

To mark up important text

highlight style

less than <em>

<b>

To mark up text

bold style

unimportant

Notes

Note: In the comparison between HTML tags <b> and <strong>:

  • Both make the text bold.
  • The <b> tag does not imply any importance or significance of the text compared to a normal text.
  • The <strong> tag implies that the text has strong importance.
  • Note: If you are optimizing content for search engines like Google or Bing, use the <strong> tag to indicate that the word is important when optimizing.

Browser compatibility and Support

# Chrome Edge Firefox Safari Opera
<b>

Global Attributes

The <b> tag supports the HTML Global Attributes.

Event Attributes

The <b> tag supports the HTML Event Attributes.

Default CSS

Most browsers will display the <b> tag with the following default style: