: This identifies the language as Thai ( th ) and the region as ( TH ).
: The server looks for a version in US English ( q=1.0 by default). 0.9,th-TH
The string breaks down into two distinct parts defined by the HTTP/1.1 specification : : This identifies the language as Thai (
: If English isn't available, it serves the Thai version because it has the next highest weight ( q=0.9 ). 0.9,th-TH