Not using favicon generator

Just put your favicon.ico file at the root/static folder.

Using favicon generator

If you are using favicon genarator, the favicon works well on the mobile too. So, it is recommended.

1. Set the useFaviconGenerator to true in the file at root/config/_default/params.toml

2. Generate your favicon at https://www.favicon-generator.org/ site.

3. Make a folder at root/static/favicon

4. Unzip the generated favicon to that folder.