Images are a crucial component of all websites: they evoke emotions and prompt actions. They also make up ~66% of all website data. Key web performance metrics such as Speed Index, Time To Interact and Page Load Time suffer from our need for images. To deliver a good user experience, we have to create high performance images.
In this live-demo session, we will explore popular & bleeding-edge techniques for optimising images for performance, as used on Facebook, Etsy, Alibaba and others. These techniques will help us ship images faster, increase perceived performance and initiate users' emotional responses earlier, leading to lower bounce rates and higher conversions.