🌐 Reduce Accept Language Origin Trial

This demo demonstrates the Accept-Language request header and JavaScript getter containing the reduced string in the presence of a valid Reduce Accept Language Origin Trial token for all subsequent requests to the site.

[Request] Request Accept-Language:

Accept-Language: en-US,en;q=0.5

[Response] Server response:



    
[For comparison] Subsequent resource request Accept-Language:

    
[…]


    
[For comparison] Subsequent iframe request Accept-Language:

    


    
[JavaScript] navigator.languages

    
[…]


    

      
Server supports languages:

      

        Available languages
        
        
        
        
        
        
        
        
        
        
      


      
Server opt-in origin trial:

      

        What is Reduce Accept Language Origin Trial?
        
    
          
  • 
            Reduce Accept-Language Origin Trial: Reduce Accept Language is an effort within Chromium to minimize
            passive fingerprinting by reducing the entropy in the
            Accept-Language request header and the Navigator JavaScript APIs
            `navigator.languages`.
          
    • 
        

      

      

        Available Origin Trials
        
      

      

        Change User's Accept-Language:
        chrome://settings/language