Quick info to make World of Warcraft run much faster and smoother!

First:
Windowed Mode - Increases FPS, allowing more smoother/faster gameplay.
Press your Esc key, (Escape). Select your first option, "Video". Then next to "Display Mode", change it to "Windowed Mode"
Apply and "okay"

Second:
View Distance - Allows players to see further. (not necessary)
Press your Esc key, (Escape). Select your first option, "Video". Under the "Environment tab, change your "View Distance" to Low.

Third:
Lowing any other Graphics - Will increase game speed a lot.
Press your Esc key, (Escape). Select your first option, "Video". Then lower the graphics to your liking.

Final:
Game Booster - The best gaming performance program ever.
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Hope this helps.
If you have any concerns or problems, PM/VM Me.