Getting Started with Speed Tracer
Speed Tracer is a Google Chrome extension that helps you identify and fix performance problems in your web applications. It visualizes metrics that are taken from low level instrumentation points inside of the browser and analyzes them as your application runs. Using Speed Tracer you are able to get a better picture of where time is being spent in your application.
Downloading Speed Tracer
Speed Tracer requires the Dev Channel version of Google Chrome.
- Download and install the Google Chrome Developer Channel version of Google Chrome. This version is instrumented to work with Speed Tracer.
- Start Google Chrome with the following flag:
--enable-extension-timeline-api
You can either launch Google Chrome from the command line with this flag, or you can modify your desktop settings. Windows
In Microsoft Windows, you can set this flag by modifying the desktop shortcut. First, right-click on the Google Chrome shortcut icon, choosing Properties:
Then, paste the --enable-extension-timeline-api flag into the Target field at the very end of the string.
Click OK to save the setting and dismiss the dialog. To start Google Chrome, double-click on the shortcut icon you just modified.
- Install Speed Tracer
By installing this extension, you agree to the Google Chrome Extension Gallery Terms of Service.
If you run into trouble, first check the FAQ, then try the Speed Tracer Google Group.
沒有留言:
張貼留言