Custom metaboxes have evolved from being a luxury to being a virtual precondition for Wordpress websites. The webmasters, who wish for a greater room to spread their wings and inject more specific features that are not a part of the default Wordpress setup, are seizing this feature with a keen desire.
Velocity is a new animation engine that can be used with jQuery to accelerate the speed of animations. It optimizes the animation process by minimizing layout thrashing and DOM querying. As a result, you get
much better performance on your animations when compared to using the jQuery $.animate() method.