Weber contends that Chrome is a city driver. 'When you’re browsing the web with Chrome, like city miles, it wakes up, sprints to next stop light, stops and then sprints to next stop light. Some run like they're always in the city while others operate in a more efficient highway miles mode.

The toggle is available in the 'System' section of the settings menu.Jason Weber, Microsoft's director of program management for Microsoft Edge, explained that different web browsers consume energy in very different ways, much like cars don't all consume gas in the same way. Some are more efficient than others. Performance Mode is rolling out now in version 91.0.856.0, available in the Canary channel. 'Sleeping Tabs' essentially freezes a tab that's left open in the background, saving resources when it's not actively being used. One specific change Microsoft notes is that the 'Sleeping Tabs' feature in Edge will be locked to five minutes when performance mode is turned on. 'Performance improvements might vary depending on your individual specifications and browser habits.' 'Performance mode helps you optimize speed, responsiveness, memory, CPU and battery usage,' says Microsoft. Apparently, the mode may adjust based on your browsing habits too. In practice, Microsoft says the new mode will improve speed and responsiveness overall while 'optimizing' the use of battery, CPU, and RAM. An anonymous reader quotes a report from 9to5Google: The latest addition coming to Microsoft Edge is 'performance mode.' Rolling out first to the Canary channel, 'performance mode' in Microsoft Edge is designed to improve how the browser uses the resources available to it.

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