The HTML5 <strong> tag is applied on an HTML document such that extra emphasis can be given on an important text. The HTML5 <strong> tag has to be placed around the text that should stand out.

Whether the user has Internet Explorer, Safari, Firefox, Google Chrome or Opera, the HTML5 <strong> tag is still recognizable because of its compatibility with all these. The HTML5 <strong> tag is also attuned to the functions of the different Global Attributes and Event Attributes in HTML5.