To test a responsive site is sometimes a trouble job. Now your explorer can with this feature by just one click.
How to use the bookmarklet?
In the center of screen the RWD Bookmarklet is a tool, simply drug and drop it onto your bookmark bar. Here is an example by using Chrome:
|Get the bookmarklet works for you|
How to test a site?
Click on any of the mobile device icon, and you see the preview result.