Content Performance Policy
►http://yoavweiss.github.io/ContentPerformancePolicy
Therefore, there’s an increasing need for a mechanism that would give authors control over their sites, and give them the opportunity to opt-out of various features of the Web platform that are inherently slow or from behaviors that are known to irritate users and result in bad mobile user experience. These same mechanisms can be used for guarantees for content embedders as well as content blockers, and enable them to make smart descisions based on the known performance characteristics of the content.