Chrome allows you to throttle the Network and the CPU. Both settings are useful to measure the performance of you application and reproduce performance issues (Example Debugging frontend performance issues with Chrome DevTools).

Rails Long Term Support

Rails LTS provides security patches for old versions of Ruby on Rails (2.3, 3.2, 4.2 and 5.2)

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• Works with modern Rubies

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You find the settings in: DevTools > Performance > Capture Settings (Gear icon in the right corner) > CPU: No throttling