Optimize the performance of your mobile websites and webapps to the extreme. With this hands-on book, veteran mobile and web developer Maximiliano Firtman demonstrates which aspects of your site or app slow down the user’s experience, and what you can do to achieve lightning-fast performance. There’s much at stake: if you want to boost your app’s conversion rate, then tackling performance issues is the best way to start.Learn tools and techniques for working with responsive web design, images, the network layer, and many other ingredients—plus the metrics to check your progress. Ideal for web developers and web designers with HTML, CSS, JavaScript, and HTTP experience, this is your guide to superior mobile web performance.You’ll dive into:Emulators, simulators, and other tools for measuring performanceBasic web performance concepts, including metrics, charts, and goalsHow to get real data from mobile browsers on your real networksAPIs and specs for measuring, tracking and improving web performanceInsights and tricks for optimizing the first view experienceWays to optimize post-loading experiences and future visitsResponsive web design and its performance challengesTips for extreme performance to achieve best conversion ratesHow to work with web views inside native apps