I would like to improve rendering performance of http://www.camping.info/campinplaetze. Running a test on WebPageTest.org I see in the waterfall chart that for images loaded from http://images-camping.info, Chrome initially opens only three connections, and only at the 2 second marks opens another three. That's why the first 6 images are loaded consecutively, all on the third open connection as seen in the connection view:
I would like Chrome to open the six concurrent connections to images-camping.info around the 1 second mark so that it could download more images in parallel which I assume would make rendering the page faster.
Does anyone know of a way to do that?