A favicon, or favourites icon, is a small image or logo that displays next to a web page's name. You can find favicons on your browser tabs, as well as on browser pages that list websites, such as the bookmarks page.
Step 1 : From your Shopify admin, go to Online Store > Themes.
Step 2 : Find the theme that you want to Edit and Click Customize.
Step 3 : Click Theme Settings.
Step 4 : Theme Settings > Favicon
In this favicon section, you can insert the desired image using the 'Select Image' option to display it next to the web page’s name.
