On Windows Phone 8.1, I'm getting "We're having trouble displaying this page... Refresh the page or try again later". E.g. for
Working websites:
I know bbc.co.uk can work because a) duh b) the BBC site worked at my home and I've used it many times (via thephone.coop, who resell service by TalkTalk).
It doesn't work at this other house though. The connection is by BT fibre (FTTC) with a BT Home Hub. It has IPv6 (though http://test-ipv6.com says the DNS can't reach IPv6-only DNS servers). It has BT's DNS typo correction hijacking enabled. I assume the DNS hijack is a default that could be disabled (but it's not really mine to mess with).
It doesn't look like a IPv6 issue. The BBC do not use IPv6 - ping6 bbc.co.uk
returns unknown host
(from a computer on the same net that can acces bbc.co.uk).
I don't think the BBC use HTTPS, so it's not that. I know they're planning to, but the computer that can access bbc.co.uk is not redirected to a HTTPS version.
http://6-dot-gfblip.appspot.com shows no problem with losses (or bad latency) on the wifi and DNS.