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If this is your website, I recommend adding something above the fold of the home page explaining what Hugo is.

Also an "X" button to go back to the list.

also 'esc' or 'back'

I have no idea what Hugo is and was frustrated by this too.

Hugo is a static site generator.

I guess that if you are looking for themes for it, that is when this site would be relevant for you, then you would already know what it is.