the h1 tag is written in the body of the webpage, the title tag is written in the head of the webpage, the h1 tag controls the size of a paragraph of text (from h1 to h6), and the title is the meaning of the webpage title, such as <; title> This is the title of the webpage <: /title> . How to add h1 tag, for example: <; h1> This is the h1 label <: /h1>