HTML5 b Tag is useful to display bold text on the webpage.
HTML5 Img Tag Example:
<!DOCTYPE html> <html> <head> <title>HTML5 Tutorial</title> </head> <body> <div>Hi, This is HTML5 tutorial and you are reading <b>b tag</b> in detail.</div>
Output: Hi, This is HTML5 tutorial and you are readin b tag in detail.
As you can see above, b tag is used to display text in bold.