W3C W3C Member Submission

First Screen Paint In Advance Submission

Submitted Materials

We, W3C Members:

hereby submit to the Consortium the following specification, comprising the following document attached hereto:

  1. First Screen Paint In Advance

which collectively are referred to as "the Submission". We request the Submission be known as the First Screen Paint In Advance Submission.


First Screen Paint In Advance defines a means for site developers to determine whether to apply a render optimization policy which specifies painting content above the fold (we name it first screen) in advance.

Intellectual Property Statements

The statements below concerning Copyrights, Trade and Service Marks, and Patents, have been made by the following people on behalf of themselves and their affiliated organizations:


Baidu, Tencent and UC Web hereby grants to the W3C a perpetual, nonexclusive, royalty-free, world-wide right and license under any Baidu, Tencent and UC Web copyrights on this contribution, to copy, publish and distribute the contribution under the W3C document licenses.

Additionally, should the Submission be used as a contribution towards a W3C Activity, each organization grants a right and license of the same scope to any derivative works prepared by the W3C and based on, or incorporating all or part of, the contribution. Each organization further agrees that any derivative works of this contribution prepared by the W3C shall be solely owned by the W3C.

Trade and Service Marks

Baidu, Tencent and UC Web agree that the trade and service marks that are associated with and identify this specific Submission will be governed by the W3C Trademark and Servicemark License.


The organization I represent on the W3C Advisory Committee agrees to offer licenses according to the W3C Royalty-Free licensing requirements described in section 5 of the 5 February 2004 W3C Patent Policy for any portion of the Submission that is subsequently incorporated in a W3C Recommendation.

Required proprietary technology

No proprietary technology is required to implement the specifications contained in this submission.

Suggested action



To help with this work we expect, but do not commit, to be able to provide representatives to participate in the working group.


Inquiries from the public or press about this Submission should be directed to: Yue Min minyue@baidu.com


11th, August, 2014,