1.
favicon.ico is usually used as the front thumbnail of the URL, as a website logo, favicon.ico is displayed on the address bar or label of the browser, as shown below
In the circle, almost all browsers currently support ico icons.
2. After the favicon.ico icon file is successfully generated, the browser will automatically pop up the ico icon download, click Save, and put the generated and downloaded favicon.ico icon in the root directory (or other directories).
3. In the source file of the page
Insert between <head></head>
tags
<link rel="shortcut icon" href=" /favicon.ico" />
。