You’re browsing the static site that was generated by apidoc-seed. This is the landing page and its source code can be found here.
There are a few more sections, which correspond to sub folders in the src
folder, notably the API documentation, but also a blog and a
support page.
If you compile your documentation with the --private=true flag, blocks like
this are visible. To learn more about protecting content, check out the
How-To.