Ipad 3 screen change

Hi,

I cannot understand whats happened to my IPad, when opening a search engine the screen is in Portrait size even though I have the iPad turned for Landscape. All other things are working OK in portrait & Landscape when I turn the IPad. I have noticed also at the bottom of the page it has a Next page button, whereas it used to have page numbers.
Attached is a screen shot.

Regards

Peter