By installing YouSlow, you can check the frequency and severity of buffering events with any YouTube video. By checking the frequency, you can find out how often buffering occurs and if you have to switch to a different Internet service provider (ISP) to avoid it.

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By installing YouSlow, you can also get the real-time network performance. With it, you can compare your buffering frequency with other videos in your area. You can also check the real-time buffering with any video and find out the best Internet service in your area.