The string breaks down into two distinct parts defined by the HTTP/1.1 specification :
: If neither is found, the server provides its own default language. 3. Contextual Variance 0.9,th-TH
: The server looks for a version in US English ( q=1.0 by default). The string breaks down into two distinct parts
: Often written as q=0.9 , this is a Relative Quality Factor . It ranks user preferences on a scale from 0.0 to 1.0. A value of 0.9 indicates it is a secondary preference if a primary language (defaulting to q=1.0 ) is unavailable. 2. Practical Application: How Servers Use It 0.9,th-TH
