We improved the Lighthouse and time-to-first-meaningful-paint scores of two of our web optimisation products: Mirage and Rocket Loader! Combined, these products speed up around 1.2 billion web-pages a week.
Almost exactly a year ago, CloudFlare announced a feature called Mirage. Mirage was designed to make the loading of images faster in two primary ways: 1) deliver smaller images for devices with smaller screens; and 2) "lazy load" images only when they appeared in the viewport. Both of
Mobile web browsing is very different, at the network level, to browsing on a desktop machine connected to the Internet. Yet both use the very same protocols, and although TCP was designed to perform well on the fixed-line Internet, it doesn't perform as well on mobile networks.
Yesterday, we announced Polish, which helps to automatically optimize the images on your site and increase performance. Today we're releasing something more ambitious: a system to automatically manage the loading of images in order to maximize your site's performance which we call Mirage.