Features

Flash animation are faster to load  than the alternative type of web animation , animated Gif , for its Fastness, Size  ,Image and text quality Also it is easy to use or the developers

Flash animations are faster

A full screen flash animation consisting of several scenes loaded in to  viewer's browser and begin playing in less than 10 seconds . This is because flash describes images by using vector graphics than the bitmapped graphics.. Typical web graphics take more than a minute because bitmapped image definition.

Size

In traditional web publishing graphics are generally kept as physically small as possible in order to minimize the amount of data that needs to be transmitted Flash graphics perform consistently regardless of their size , because the information that produce the graphics is exactly the same except the instruction to scale the graphics to what size.

Image and text Quality

Since flash is using vector graphics , the quality of the images is very high . Vector graphics tell a Computer how to draw a image , it looks always good for any type of computer in contrast to bitmapped animation which are made by resizing and distorting a matrix of pixels of fixed size. It affects the image quality when varying the type of the computer or size of the display.