tt: Tatar language
Verify this language code:
✔ tt is a well-formed language code. 
✔ This seems to be a code for an actual language.
✔ This language code is enabled on Translatewiki.
MediaWiki core messages: 0.13 %: 5 / 3911 messages
Most important messages: 0.52 %: 3 / 578 messages
Collection extension: 0.0 %: 0 / 172 messages
ProofreadPage extension: 0.0 %: 0 / 185 messages
Android Wikipedia app: 0.05 %: 1 / 2187 messages
iOS Wikipedia app: 0.0 %: 0 / 1802 messages
Main extensions used by Wikimedia: 0.27 %: 19 / 7097 messages
Most important messages: 0.52 %: 3 / 578 messages
Collection extension: 0.0 %: 0 / 172 messages
ProofreadPage extension: 0.0 %: 0 / 185 messages
Android Wikipedia app: 0.05 %: 1 / 2187 messages
iOS Wikipedia app: 0.0 %: 0 / 1802 messages
Main extensions used by Wikimedia: 0.27 %: 19 / 7097 messages
✔ This language code is available for general use in MediaWiki.
✔ This language is available for general use on Wikidata.