Mac how to set the page mute with one key

Mac How do I set the Web page mute? Now, a lot of people are using Mac computers. And in our web site, there are often some page ads, inexplicably jumped out of the voice to disturb us. So, Mac how to set the page mute? In fact, as long as your Mac upgrade to the OS X El Capitan system, no matter what page you browse, as long as there is a page in the voice, Safari address bar will appear the voice of the logo, "A key mute" is easy to use, only need to click, OK , the world is quiet.

A quiet sign appears on the Web page, and clicking on it will mute any sound on the page, and will not affect other Mac audio output.