In HTML, <b> or <strong> tags are used to make text bold.

Below are examples of their use.

<b> using bold text example b </b>

<strong> bold text example using </strong>

The results will be like this.

using bold text example b

Using bold text example strong

Note: Although the "b" and "strong" tags generally give the same result visually, the strong tag is more controllable with "css". It also works smoother on mobile devices. That's why today it is recommended to use the strong tag.