The Smooth Scroll plugin for WordPress is flexible and easily customizable, allowing you to change parameters without diving into the code.
Load preset: Default, iPhone, Opera, IE, Custom
Step size (px): How much? Higher means more scrolling for each mouse event.
Animation time (ms): How quick? Higher number stretches animation.
Acceleration scale: How swift? How much scrolling can accelerate.
Acceleration delta: Time between scroll events. Lower means acceleration kicks in more frequently.
Pulse Scale: Ratio of “tail” to “acceleration”. It affects how long the deceleration part is.
Arrow key step size (px): Higher means more scrolling for each arrow key press.
Enable keyboard support: Adds SmoothScroll for Arrow keys, PgUp/PgDown, Spacebar, Home/End.
Enable pulse algorithm: Adds easing to the animations.
Enable for all browsers: By default SmoothScroll works only in WebKit based browsers. This option enable SmoothScroll in all browsers, such as Firefox.
