版本：
文件：
- https://cdn.bootcdn.net/ajax/libs/clockwork-browser/1.1.2/metrics.js
- https://cdn.bootcdn.net/ajax/libs/clockwork-browser/1.1.2/metrics.min.js
- https://cdn.bootcdn.net/ajax/libs/clockwork-browser/1.1.2/toolbar.js
- https://cdn.bootcdn.net/ajax/libs/clockwork-browser/1.1.2/toolbar.min.js