The "image" people generally show during an ajax call is an animated gif Since there is no way to determine the percent complete of the ajax request, the animated gifs used are indeterminate spinners This is just an image repeating over and over like a ball of circles of varying sizesMar , 21 · How to make an animated GIF from a video (for free) If you want to use a particular snippet of a video for a GIF, numerous sites can help youMar 14, 21 · SWF, Lock and Load is a program to design preloaders to introduce graphics into the website to inform the user of the progress in loading the Flash movie / Macromedia files (SWF) Pin On Cool Art Animated lock and load gif