It seems there is a problem with the chain of referrers with IE 11. If I try to connect with IE11 to http://chart.apis.google.com, it seems I am referred to https://chart.apis.google.com – the check of the security certificate here fails and exceptions to the rule are not allowed. If I try to connect with Firefox to http://chart.apis.google.com, I seem to get referred to https://developers.google.com/chart/?csw=1 direcly, which works. If I try to connect to the https://chart.apis.google.com, I also see a fail of the check of the security certificate and the rule permits to add the page to the exception pages. It seems…