On Tue, Jul 08, 2014 at 07:08:05PM +0100, John Williams wrote: > > I notice that, when I click on a programme page from the Radio 4 Schedule > Page, the main photo is pixellated, whilst other photos on the page are OK. > > Under Ubuntu in Firefox, the photos are rendered correctly. > > I suspect this may be something to do with NetSurf trying to render a > thumbnail instead of the main JPEG - perhaps an EXIF file with embedded > thumbnail? > > However, other browsers get it right, so why can't my preferred browser, > NetSurf under RISC OS, get it right? > > Look at, say, http://www.bbc.co.uk/programmes/b044mc1g - the page for the > programme I've just listened to - to see what I mean. > > Or is there some other explanation?
First guess at looking at it in Firefox is that the image is streamed, ie, a low-quality small version is mentioned in the HTML to make page render prompt, and then JavaScript replaces it with a higher-quality one once the page render has completed. B.