Noisy Tabs

One, of many, Chrome web browser features I absolutely love is the speaker icon that is displayed when that tab is playing audio (circled below).  A major help when having lots of tabs open and one of them is blasting away. Right-click the tab and you can mute that tab.  Just the best!

https://chrome.googleblog.com/2014/01/everyone-can-now-track-down-noisy-tabs.html