Improving the correlation between keywords and pages is helpful to improve the ranking of keywords;

& ltstrong & gt label

Introduction: It expresses the function of emphasis, which means to strengthen the tone. It is displayed in bold in the browser.

& ltb> label

Introduction: Used to display page content in bold.

Function: The text in the label is displayed in bold.

& ltimg & gt label

Then add pictures.

& lta> label

Usually followed by a hyperlink.