openstreetmap/copyright barred from loading in a frame

Tom Hughes tom at
Sat Feb 14 15:21:17 UTC 2015

On 14/02/15 15:19, Richard Mann wrote:

> If you look at the test webpage that I posted and click on the
> OpenStreetMap hyperlink, it does nothing in Chrome/Firefox and in IE
> brings up the following:
> "This content cannot be displayed in a frame
> To help protect the security of information you enter into this website,
> the publisher of this content does not allow it to be displayed in a frame."
> A bit of googling revealed that some websites do this to prevent
> transparent buttons being maliciously placed on top of the content
> (clickjacking). So I figured it must have been done deliberately. But
> maybe not! Mysterious.

I'm not doubting that your page does that, but I can load that page 
until I'm blue in the face and it tells me nothing about why it is doing 
it or how we control it!


Tom Hughes (tom at

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