thanks for any help on this...

Two posts of the same designer's work within minutes of each other. Was Klas Ernflo just featured on a megapopular site?
No, it’s not difficult to convert them. But it is very difficult to become aware of that problem – if you aren’t confronted with it. There are browsers that simply don’t care about CMYK, so how are their users supposed to do so? To detect the colour mode of a web image, I’d have to download it, locate it on my disk, select ‘Information’, and additionally, select ‘Further information’. 4 steps, only for finding out, i.e. without conversion? No dice, Jan, sorry. :-)
Captured from web.archive.org on 31 Oct 2014. view this capture