0.9,th-th -
: The server looks for a version in US English ( q=1.0 by default).
: Developers use these strings to match user OS settings with available translation files. 0.9,th-TH
: Used by clients to request specific data formats or localized error messages from RESTful APIs. Summary Table: Component Meanings th Language Code ISO 639-1 code for Thai TH Region Code ISO 3166-1 alpha-2 code for Thailand 0.9 90% weight ; high priority but not the absolute first choice : The server looks for a version in US English ( q=1