One significant feature of PopChart Server is Automatic PNG Detection. PopChart Server can detect from a client's request whether or not a web browser will support PNG images. If a client request a GIF image, but supports PNG images, PopChart Server will will return a PNG image when this feature is on.
Unlike Best Image Fallback for Flash or SVG (see "Best Image Fallback" in Chapter 4 of the PopChart Server User Guide), this process requires no additional HTML or PopChart Embedder code. As long as Automatic PNG Detection (see "Automatic PNG Detection" in Chapter 3 of the PopChart Server User Guide) is enabled in the Administration Console, PopChart Server will automatically return the most appropriate image format.