为了改善 Firefox 的性能，Firefox 在开发版里开启了一个名为 Electrolysis 的特性，这个特性的一个重要的元素就是支持多进程（multi-process content processes）。
安装插件情况下 强制开启火狐Firefox浏览器的多进程功能(e10s )
READ:
e10s in Firefox 48 release: Eligibility Criteria & Release Plan首先还是进入 about:config 页面进行设置：
Manually enabling e10s in Firefox 48 if disabled by default
1. Visit about:config and set browser.tabs.remote.autostart preference value to true. If it was already set to true, no need to make any changes.
2. Now create a new boolean preference named ‘browser.tabs.remote.force-enable’ and set its value to true. if you’ve any accessibility tools installed, change accessibility.force_disabled preference value to false 1 from 0.
Now restart the browser, visit about:support, you’ll notice 1/1 (Enabled by User) for Multiprocess Windows line item.