See the globe picture? I could not find an answer in any website as to how they pulled this off. Any clue?
That is a unicode character, many, but not all of which are allowed in URLs.
🌐 is U+1F310
They could also have put
🌎U+1F30E 🌍U+1F30D 🌏U+1F30F
or any other unicode character in their URLs.
Lots of detail here: https://stackoverflow.com/questions/2742852/unicode-characters-in-urls