Even Faster Web Sites: Performance Best Practices for Web by Steve Souders

By Steve Souders

I even have this e-book in EPUB and PDF as retail (no conversion).

Performance is necessary to the good fortune of any site. during this publication, Steve Souders, net functionality evangelist at Google and previous leader functionality Yahoo!, presents useful concepts that can assist you optimize your site's functionality. Souders and 8 specialist participants offer top practices and pragmatic suggestion for making improvements to your site's functionality in 3 serious different types: JavaScript, within the community, and within the browser.

This booklet includes six visitor chapters contributed by means of Dion Almaer, Doug Crockford, Ben Galbraith, Tony Gentilcore, Dylan Schiemann, Stoyan Stefanov, Nicole Sullivan, and Nicholas C. Zakas.

Performance is necessary to the luck of any website, and but today's internet purposes push browsers to their limits with expanding quantities of wealthy content material and heavy use of Ajax. during this e-book, Steve Souders, internet functionality evangelist at Google and previous leader functionality Yahoo!, presents priceless innovations that can assist you optimize your site's performance.

Souders' earlier publication, the bestselling excessive functionality websites, surprised the net improvement global via revealing that eighty% of the time it takes for an internet web page to load is at the purchaser aspect. In Even speedier websites, Souders and 8 specialist participants supply most sensible practices and pragmatic recommendation for bettering your site's functionality in 3 severe categories:

JavaScript-Get recommendation for knowing Ajax functionality, writing effective JavaScript, developing responsive functions, loading scripts with out blocking off different parts, and more.
Network-Learn to proportion assets throughout a number of domain names, lessen photograph measurement with out lack of caliber, and use chunked encoding to render pages faster.
Browser-Discover possible choices to iframes, easy methods to simplify CSS selectors, and different techniques.

Speed is vital for today's wealthy media websites and internet 2.0 functions. With this booklet, you'll how to shave useful seconds off your sites' load instances and cause them to reply even faster.

This ebook includes six visitor chapters contributed by means of Dion Almaer, Doug Crockford, Ben Galbraith, Tony Gentilcore, Dylan Schiemann, Stoyan Stefanov, Nicole Sullivan, and Nicholas C. Zakas.

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Anwendungsschicht Auf dieser Ebene des Systems befinden sich die Android-Anwendungen. Dabei kann es sich um Eigenentwicklungen oder die von Google mitgelieferten Standardanwendungen handeln. Innerhalb der Anwendungsschicht findet die Kommunikation zwischen Mensch und Maschine sowie Interaktionen zwischen Anwendungen statt. Jede Anwendung bedient sich dabei der darunterliegenden Programmierschnittstelle. 2 17 Die Dalvik Virtual Machine Die Dalvik Virtual Machine wurde von einem Google-Mitarbeiter namens Dan Bornstein entwickelt.

Die für eine Anwendung passende Instanz dieser Klasse ist jeder Activity bekannt. 6 zeigt, wie der Titeltext einer Activity mit Hilfe der Methode getResources ausgelesen und weiterverwendet wird. ") >= 0 ) { ... } } Das Ressourcen-Objekt ist von dem Datentyp, in den die Ressource vom Ressourcencompiler übersetzt worden ist. Diesen Typ bezeichnen wir als Zieldatentyp der Ressource. B. hintergrund); Wir sind nun in der Lage, Ressourcendateien zu speichern und auf deren Inhalte zuzugreifen. Doch wie definiert man eine Ressource konkret?

Doch wie definiert man eine Ressource konkret? Was sind die Besonderheiten einzelner Ressourcen-Arten? Diese und andere Fragen wollen wir in den nächsten Abschnitten beantworten. Wir stellen die Ressourcen-Arten kurz vor und geben Beispiele für ihre Verwendung. 3 Textbausteine auslagern Text-Ressourcen Texte sind Grundbaustein einer jeden Anwendung. Sie sollten einfach zu pflegen sein und manchmal auch in mehreren Sprachen vorliegen. Das Konzept, Textbausteine vom Java-Code zu trennen, hat sich in zahlreichen JEE-Frameworks (Struts, JSF, Spring) bewährt.

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