Peter,
iPad 3 using Terra browser to browse this and other similar sites.
I have the same problem occasionally and all I do is power down then back up again and problem solved.
Do also check that you have enough free storage, as recently, I was inadvertently trying to run 12 apps in the background with only 1GB free.
Deleted a load of audiobooks I'd listened to and freed up 8GB.
Don't also forget, that site designers/owners are adding more and more cr*p to bling their pages for no other reason than the now all too prevalent 'Me too, me too' mentality.
Geoff – Need to make more biltong then SHMBO's afternoon out, with me in tow.