Best Structure for a Flash Site | Sitepoint Structure for a Flash site Few developers know how to use Keyframes, ActionScript, and MovieClips, and can control the Flash playhead to their advantage. Optimizing your use of these elements can help you reduce file size, minimize download times, and create efficiencies that make altering your work easy. Mark shows how it's done in this comprehensive tutorial. with developmentflashsitestructureweb