Favicon will shows on your browser’s navigation bar, which near the title

By adding below files to root URI will add favicons on website.

  • favicon-16x16.png

  • favicon-32x32.png

  • favicon.ico

On Hugo, the root URI will convert from content/ folder. The folder structure will result as below:

.
├── content
│   ├── assets
│   ├── pages
│   ├── favicon-16x16.png
│   ├── favicon-32x32.png
│   ├── favicon.ico

You’re all set! 👍

Ref.