If you haven’t tested your website’s load time–do it now, because Google is going to test it for you.

Google has confirmed long ago that webpage load times will be used as a factor in the calculation of its AdWords Quality Score index–meaning that a faster load time can save you money on your AdWords budget.

You can use the tool for free at Pingdom. Here’s a screenshot of what you’ll see.

What’s a good load time? You want the last item on the page (the bottom of the list) to load in under 5 seconds.