If you bookmark the JS below you can create a 'button' to convert bbc.com links to bbc.com.nyud.net links as suggested by the OP: javascript:window.location.hr

If you bookmark the JS below you can create a 'button' to convert bbc.com links to bbc.com.nyud.net links as suggested by the OP: javascript:window.location.href=window.location.href.replace("bbc.com","bbc.com.nyud.net"); A better solution would be a greasemonkey script/browser extension but this does the job for now :-)