Did You Know That Background Tabs in Your Browser Load 20+ Times Slower?

What happens when you page loads too slowly.

Recently we troubleshooted a performance issue, reported by one of the customers of Plumbr who was using our Real User Monitoring solution. While investigating the behavior we stumbled upon a major difference in the time it takes to load a web page in background tabs vs the tabs in the foreground.

To quantify this difference, we investigated 1.8 million user interactions in UI and compared the duration of such user interactions for two subsets: