An update to my original posting...
Just a quick fun happy image to boost my moral on this dreich day and add a bump the 135 thread.
Upload seems to have stripped out exif data, changed sharpness, altered saturation and added colour cast, well that's my story and I'm sticking to it.
Taken with Pentax-A* 135mm F1.8, at 1/1250, F10, ISO 800
https://www.pentaxforums.com/forums/attachments/lens-clubs/158206d1359908700-...-copy-copy.jpg
P.S. Just found the problem using a Exif viewer, it says "The software says "WARNING: No color-space metadata and no embedded color profile: Windows and Mac web browsers treat colors randomly. Images for the web are most widly viewable when in the sRGB color space and with an embedded color profile."
Next question is why, I need to go back to Lightroom or CS6 wherever I exported from and check the settings.
Posted this just in case other folk maybe having issues, images to web, colour space sRGB only and if there's nothing embedded, it all goes Pete Tong.
Maybe if I use the save to jpeg to web option in CS6 it converts automatically to sRGB...