Steve Souders

Presents a collection of fourteen "rules" to help optimize the performance of a Web site.

Essential Knowledge for Front-End Engineers

High Performance Web Sites

Performance is critical to the success of any web site, and yet today's web applications push browsers to their limits with increasing amounts of rich content and heavy use of Ajax. In this book, Steve Souders, web performance evangelist at Google and former Chief Performance Yahoo!, provides valuable techniques to help you optimize your site's performance. Souders' previous book, the bestselling High Performance Web Sites, shocked the web development world by revealing that 80% of the time it takes for a web page to load is on the client side. In Even Faster Web Sites, Souders and eight expert contributors provide best practices and pragmatic advice for improving your site's performance in three critical categories: JavaScript-Get advice for understanding Ajax performance, writing efficient JavaScript, creating responsive applications, loading scripts without blocking other components, and more. Network-Learn to share resources across multiple domains, reduce image size without loss of quality, and use chunked encoding to render pages faster. Browser-Discover alternatives to iframes, how to simplify CSS selectors, and other techniques. Speed is essential for today's rich media web sites and Web 2.0 applications. With this book, you'll learn how to shave precious seconds off your sites' load times and make them respond even faster. This book contains six guest chapters contributed by Dion Almaer, Doug Crockford, Ben Galbraith, Tony Gentilcore, Dylan Schiemann, Stoyan Stefanov, Nicole Sullivan, and Nicholas C. Zakas.

Performance Best Practices for Web Developers

Even Faster Web Sites

Wollen Sie, dass Ihre Website schneller dargestellt wird? High Performance Websites präsentiert 14 Profi-Regeln, mit denen Sie Ihre Webseiten um 20 bis 25 % schneller machen können. Best-Practise-Ergebnisse Die Regeln wurden von Steve Souders - Chief Performance Engineer bei Yahoo! - erstellt. Sie sind die komprimierten Best Practise-Ergebnisse seiner jahrelangen Arbeit bei Yahoo!, einer der meist besuchten Websites des Internets. Performance verbessern Die Regeln, die Steve Souders in High Performance Websites vorstellt, helfen Ihnen dabei, Ihre Website-Performance zu verbessern. Sie erfahren, wie Sie Ajax, CSS, JavaScript, Flash und Bilder so aufbereiten, dass Ihre Webseiten dadurch deutlich schneller werden. Dabei ist jede Profi-Regel mit einem klar verständlichen Beispiel erklärt. Der im Buch er-läuterte Code steht zum freien Download zur Verfügung. Die Profi-Regeln Reduzieren Sie HTTP-Requests. Setzen Sie ein Content Delivery Network ein. Fügen Sie Expires-Direktiven ein. Komprimieren Sie Ihre Skripten und Stylesheets. Platzieren Sie Stylesheets oben. Platzieren Sie Skripten unten. Vermeiden Sie CSS-Ausdrücke. Lagern Sie JavaScript und CSS aus. Reduzieren Sie DNS-Lookups. Minifizieren Sie JavaScript-Quellcode. Vermeiden Sie Redirects. Entfernen Sie doppelte Skripten. Konfigurieren Sie Ihre ETags neu. Machen Sie Ajax cache-freundlich. Unerlässliche Pflichtlektüre Wenn Sie Webseiten programmieren, die auch bei höherem Besucheraufkommen nicht in die Knie gehen sollen, dann ist High Performance Websites eine unerlässliche Pflichtlektüre für Sie.

High performance websites

Creare siti web ad alte prestazioni

Performance is critical to the success of any web site, and yet today's web applications push browsers to their limits with increasing amounts of rich content and heavy use of Ajax. In this book, Steve Souders, web performance evangelist at Google and former Chief Performance Yahoo!, provides valuable techniques to help you optimize your site's performance. Souders' previous book, the bestselling High Performance Web Sites, shocked the web development world by revealing that 80% of the time it takes for a web page to load is on the client side. In Even Faster Web Sites, Souders and eight expert contributors provide best practices and pragmatic advice for improving your site's performance in three critical categories: JavaScript—Get advice for understanding Ajax performance, writing efficient JavaScript, creating responsive applications, loading scripts without blocking other components, and more. Network—Learn to share resources across multiple domains, reduce image size without loss of quality, and use chunked encoding to render pages faster. Browser—Discover alternatives to iframes, how to simplify CSS selectors, and other techniques. Speed is essential for today's rich media web sites and Web 2.0 applications. With this book, you'll learn how to shave precious seconds off your sites' load times and make them respond even faster. This book contains six guest chapters contributed by Dion Almaer, Doug Crockford, Ben Galbraith, Tony Gentilcore, Dylan Schiemann, Stoyan Stefanov, Nicole Sullivan, and Nicholas C. Zakas.

Steve Souders

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