class: center, middle # Is Calypso Fast Yet? .image[<img style="height:300px" src="stopwatch.jpg"/>] Jarda Šnajdr — Engineer on Stark --- class: center, middle ### Browsers care a lot about performance .image[<img style="height:300px" src="nightly.png"/>] --- class: center, middle ### arewefastyet.com .image[<img style="width:900px" src="awfy.png"/>] --- class: center, middle ### areweslimyet.com .image[<img style="width:900px" src="awsy.png"/>] --- class: center, middle ### iscalypsofastyet.com? Let's start by tracking the size of JavaScript assets shipped to our users' browsers. --- class: center, middle .image[<img style="width:900px" src="icfy1.png"/>] --- class: center, middle .image[<img style="width:900px" src="icfy2.png"/>] </div>