[yakubin]

It would probably make sense to display <subdomain>.srht.site for submissions which match this domain pattern, similar to github.io sites.

[chocolatesnake]

+1. This style of domain shortening should use https://publicsuffix.org/ to determine how to trim subdomains. And lo, https://publicsuffix.org/list/public_suffix_list.dat contains "srht.site".