Before revision:  Our extensive experiments show that the proposed approach reduces  system-wide energy consumption by over 36 \% on average and up to 70\%. This translates to an over 17\% improvement on energy-efficiency over a state-of-the-art event-based web browser scheduler, but with significantly fewer violations on the quality of service.
After revision:  Our extensive experiments show that the proposed approach reduces system-wide energy consumption by over 36