My experience was with paid service, not public wifi. eom
If you're headed to the UK then be prepared for Mother Hen to lock out your web surfing to sites like this. But there's a workaround so head over to the link listed below.
Related Link: UK Content Filtering
But TER won't let me edit the link in my post two rows up, so I've linked the corrected location below.
Related Link: Revised link
but isn't it that public wifi just really slow, maybe that's one of the reasons why it's not loading TER there