There are other confounding effects when you change the language parameter. Consider, for example, the query [bank] using your method: http://www.google.com/

There are other confounding effects when you change the language parameter. Consider, for example, the query [bank] using your method: http://www.google.com/search?gl=en&q=bank http://www.google.com/search?gl=en&q=bank bankofamerica.om bankfashion.co.uk http://www.google.com/search?gl=it&q=bank http://www.google.com/search?gl=it&q=bank wikipedia.org bancaditalia.it