To change your website icon, follow the next steps:
1. Choose the name of the website you want to edit
2. Press Change uder Settings menu:
3. Upload your image
Note: Accepting only ".ico" formats
Note: The icon should be square 180x180 as otherwise might not work on mobile
Free Tools:
You can use this .jpg or .png converter to create your own icon https://www.favicon-generator.org or https://www.favicon-generator.org/
Troubleshooting:
My icon doesn't show: As icons are hard cached by browsers, it might take a couple of days to see the update. Clearing browser cache might help in some cases
My icon doesn't show on Mobile: As mobile browsers are more strict, make sure that your icon is square. Apple devices require a 180x180 icon size.