404. That’s an error.
The requested URL /wp-content/uploads/2012/08/600x396wtop-251.png.pagespeed.ic_.DKDiHtoPaX.jpg was not found on this server. That’s all we know.
/wp-content/uploads/2012/08/600x396wtop-251.png.pagespeed.ic_.DKDiHtoPaX.jpg