Not only do trackers collect info, they can weigh down your browsing speeds. Only Firefox Private Browsing blocks ads with hidden trackers, so you can drop the baggage and browse freely.
跟踪器不止收集您的信息，还会拖慢您的上网速度。Firefox 隐私浏览模式可以拦截附有跟踪器的广告，丢掉这些包袱后，上网更轻盈。