How to Use the EM Tag to Italicize Text in HTML The EM tag is used to italicize text in HTML. This tag is a part of the Hypertext Markup Language (HTML) and can be used to emphasize certain words or phrases within a body of text. To use the EM tag, simply place it around the desired text, like so: When using this tag, it is important to remember that it should only be... Read More »