View the source of the page, and search for
hugo, you will most likely find the
meta tag with
"generator" string in the HTML header. It’s a convention for Hugo themes to set the generator tag in the HTML headers.
It’s not a theme thing; Hugo adds it automatically to your top-level index pages, as the first item in
It can be a theme thing … we only add it if it’s not already there…
That explains why the generator tag doesn’t duplicate when I have it in my theme too