The performance and optimization features include animation rate and page visibility control, and Web worker management.

The main performance and optimization features are:

• Page Visibility

  Enables you to retrieve the visibility status of a Web document and detect changes in it.

• Timing control for script-based animations

  Enables you to control animation speed by scheduling frame update requests.

• Web Workers

  Enables you to create and manage HTML5 Web Workers to run an independent JavaScript thread in the background without affecting the device performance.

• Performance Improvement in wearable applications only

  Allows you to improve the performance of Tizen Web applications.