![BUG] deezer.com 100% CPU and RAM usage on firefox | Deezer Community, bringing music lovers together BUG] deezer.com 100% CPU and RAM usage on firefox | Deezer Community, bringing music lovers together](https://uploads-eu-west-1.insided.com/deezer-en/attachment/c865a02a-cf01-436e-9159-27e9633bcbca.png)
BUG] deezer.com 100% CPU and RAM usage on firefox | Deezer Community, bringing music lovers together
![Performance & Conclusion : Internet browser shootout: Chrome vs. Firefox vs. Opera vs. Safari vs. Vivaldi - HardwareZone.com.sg Performance & Conclusion : Internet browser shootout: Chrome vs. Firefox vs. Opera vs. Safari vs. Vivaldi - HardwareZone.com.sg](https://assets.hardwarezone.com/img/2019/06/cpu-graph.png)
Performance & Conclusion : Internet browser shootout: Chrome vs. Firefox vs. Opera vs. Safari vs. Vivaldi - HardwareZone.com.sg
![Why does Firefox consume a lot of CPU even when closed? I thought an update was in progress, so I let it run for an hour, but it still used 50% CPU. Why does Firefox consume a lot of CPU even when closed? I thought an update was in progress, so I let it run for an hour, but it still used 50% CPU.](https://preview.redd.it/why-does-firefox-consume-a-lot-of-cpu-even-when-closed-i-v0-ouf98z84jlfa1.png?auto=webp&s=b47fdcb20838295963e961c5f7d6e9f4065a5f7c)
Why does Firefox consume a lot of CPU even when closed? I thought an update was in progress, so I let it run for an hour, but it still used 50% CPU.
![Firefox "-headless" gets stuck on 100% CPU and leaks 50mb/s 路 Issue #4718 路 webdriverio/webdriverio 路 GitHub Firefox "-headless" gets stuck on 100% CPU and leaks 50mb/s 路 Issue #4718 路 webdriverio/webdriverio 路 GitHub](https://user-images.githubusercontent.com/25589559/68033245-95947b80-fcbf-11e9-9aeb-48a874c5862e.png)