You can debug how poduptime sees your pod via edit in the menu, from that email link you can edit and the bottom button is a debug button. This will let you see how poduptime sees your pod.

You can link to your pod direct via https://podupti.me/domain

You can change the language that poduptime detects via your splash page, it checks your h1,h2,h3 tags natural language, if your user base is not english change your splash page to include natural language of your user base.