Most add-ons load code and resources at the same time Firefox is starting up. In most cases the impact in start-up time is minimal, but some add-ons can cause a noticeable slowdown. We warn you about these add-ons to help you decide about installing them, and also to help you diagnose performance issues you may run into in the future.
大多数附加组件是在 Firefox 启动时加载代码和资源。一般情况下这对浏览器的启动速度影响非常小，但某些附加组件会导致出现明显的启动速度变慢。我们会提醒以辅助您决定是否要安装这些附加组件，并协助您判断在未来可能会遇到的性能问题。