DIVs vs. Tables

Float Layouts

Inline Blocks

Block Layouts


Split Bkgrd

Graphic Borders

Horizontal Lists

CSS Colors


Block IPs

Down for Maintenance

Page Redirect

Custom Error Pages

Escaping query strings

PNG transparency

Google App testing

Flash Optimizing

Avoid AS Statics

SEO Optimization

Optimizing Flash and ActionScript

Please NOTE: all code samples are pseudo-code. You must correct their syntax.
Also NOTE: This is with Actionscript 3 in mind.

Avoid Statics
Flash takes much longer to call a static method from a different class than a instance method. Compare flash static calls.
Reduce new sounds per frame
Starting up a sound is CPU intensive. If you have a "bang" sound for each collision and multiple things collide in one frame, then launching multiple "bang" sounds will cause a delay. Reduce same sound calls to one per frame.
Reduce work per frame
There are different checks you may need to do as your app runs. Often you don't need to do the checks for every frame. Try breaking up common checks between frames using the mod% operator:
	case 0: CheckAccomplishments(); break;
	case 1: CheckMinuteInterval(): break;
	case 2: CheckHighScores(); break;
Set a higher frame rate
Flash will only drop one frame if your code is too slow. Instead of dropping a second frame, it draws what it had before. Visually, this is a vast improvement. Try setting frame rate to 50 to see if there is an improvement. Then tinker.
Create local variables as pointers to more global variables
Variables to objects like "whichAnimal=dogObject" are like pointers to memory. The Flash runtime needs to follow the pointer. Therefore:

whichAnimal=dogObject is faster than whichAnimal=Main.Set.Animals.dogObject

So try setting a local variable directly to the final value you need:
public function Choose()
	var whichAnimal =;

	for (i in 0...1000000) Use(whichAnimal); // faster
	for (i in 0...1000000) Use(; // slower

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