Download E-books High Performance Web Sites: Essential Knowledge for Front-End Engineers PDF

By Steve Souders

Want your website to demonstrate extra quick? This booklet provides 14 particular principles that would reduce 25% to 50% off reaction time whilst clients request a web page. writer Steve Souders, in his task as leader functionality Yahoo!, gathered those most sensible practices whereas optimizing many of the most-visited pages on the net. Even websites that had already been hugely optimized, comparable to Yahoo! seek and the Yahoo! entrance web page, have been in a position to take advantage of those unusually uncomplicated functionality guidelines.

The principles in High functionality internet Sites clarify how one can optimize the functionality of the Ajax, CSS, JavaScript, Flash, and pictures that you've got already outfitted into your website -- alterations which are severe for any wealthy internet program. different assets of data pay loads of consciousness to tuning internet servers, databases, and undefined, however the bulk of show time is taken up at the browser facet and by means of the verbal exchange among server and browser. High functionality internet Sites covers each point of that process.

Each functionality rule is supported through particular examples, and code snippets can be found at the book's better half website. the foundations comprise how to:

  • Make Fewer HTTP Requests
  • Use a content material supply Network
  • Add an Expires Header
  • Gzip Components
  • Put Stylesheets on the Top
  • Put Scripts on the Bottom
  • Avoid CSS Expressions
  • Make JavaScript and CSS External
  • Reduce DNS Lookups
  • Minify JavaScript
  • Avoid Redirects
  • Remove Duplicates Scripts
  • Configure ETags
  • Make Ajax Cacheable

If you are development pages for top site visitors locations and wish to optimize the event of clients traveling your website, this ebook is indispensable.

"If each person might enforce simply 20% of Steve's guidance, the net will be adramatically higher position. among this booklet and Steve's YSlow extension, there is reallyno excuse for having a slow site anymore."

-Joe Hewitt, Developer of Firebug debugger and Mozilla's DOM Inspector

"Steve Souders has performed a good looking task of distilling a major, semi-arcane paintings all the way down to a collection of concise, actionable, pragmatic engineering steps that might switch the area of internet performance."

-Eric Lawrence, Developer of the Fiddler internet Debugger, Microsoft Corporation

Show description

Read or Download High Performance Web Sites: Essential Knowledge for Front-End Engineers PDF

Similar Computing books

What to Think About Machines That Think: Today's Leading Thinkers on the Age of Machine Intelligence

Weighing in from the state of the art frontiers of technological know-how, today’s so much forward-thinking minds discover the increase of “machines that imagine. ”Stephen Hawking lately made headlines by means of noting, “The improvement of complete man made intelligence may well spell the tip of the human race. ” Others, conversely, have trumpeted a brand new age of “superintelligence” during which shrewdpermanent units will exponentially expand human capacities.

Fundamentals of Web Development

Basics of net improvement covers the extensive variety of themes required for contemporary net improvement (both purchaser- and server-side) and is acceptable for college students who've taken a CS1 direction sequence.

The ebook courses scholars throughout the construction of enterprise-quality web pages utilizing present improvement frameworks, its entire insurance of a contemporary net improvement platform¿includes HTML5, CSS3, Javascript, and the LAMP stack (that is, Linux, Apache, MySQL, and PHP). different very important applied sciences coated comprise jQuery, XML, WordPress, Bootstrap, and numerous third-party APIs that come with fb, Twitter, and Google and Bing Maps. insurance additionally contains the necessary ACM net improvement issues in a latest demeanour heavily aligned with most sensible practices within the actual world¿of net development.

Teaching and studying adventure
Help scholars grasp the basics of net development:¿A actual take hold of of net improvement calls for an knowing of either the rules of the net and present net improvement practices.
Support studying results in a variety of instructing scenarios:¿This booklet permits teachers to chart their very own special approach throughout the subject matters that make up modern net improvement.

C Interfaces and Implementations: Techniques for Creating Reusable Software

Growing reusable software program modules; they're the construction blocks of enormous, trustworthy purposes. not like a few smooth object-oriented languages, C offers little linguistic help or motivation for growing reusable software programming interfaces (APIs). whereas such a lot C programmers use APIs and the libraries that enforce them in nearly each software they write, quite few programmers create and disseminate new, greatly appropriate APIs.

MySQL (5th Edition) (Developer's Library)

MySQL, 5th variation via Paul DuBois The definitive consultant to utilizing, programming and administering MySQL five. five and MySQL five. 6 MySQL presents a finished advisor to successfully utilizing and administering the MySQL database administration procedure (DBMS). writer Paul DuBois describes every little thing from the fundamentals of having info right into a database and formulating queries, to utilizing MySQL with Hypertext Preprocessor or Perl to generate dynamic web content, to writing your personal courses that entry MySQL databases, to administering MySQL servers.

Extra resources for High Performance Web Sites: Essential Knowledge for Front-End Engineers

Show sample text content

Ninety six internet 2. zero, DHTML, and Ajax Asynchronous = on the spot? Optimizing Ajax Requests Caching Ajax within the genuine global ninety six ninety eight ninety nine ninety nine desk of Contents | ix 15. Deconstructing 10 best websites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103 web page Weight, reaction Time, YSlow Grade How the exams have been performed Amazon AOL CNN eBay Google MSN MySpace Wikipedia Yahoo! YouTube 103 a hundred and five 107 one hundred ten 114 116 a hundred and twenty 123 127 a hundred thirty 132 one hundred thirty five Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139 x | desk of Contents Foreword 1 You’re fortunate to be preserving this ebook. extra importantly, your internet site’s clients are fortunate. enforce even the various 14 suggestions Steve stocks during this groundbreaking ebook and your website might be quicker instantly. Your clients will thanks. this is why it issues. As a frontend engineer, you carry an incredible volume of energy and accountability. You’re the clients’ final defensive line. the choices you're making without delay form their event. i feel our #1 activity is to keep up them and to provide them what they want—quickly. This ebook is a toolbox to create chuffed clients (and bosses, too). better of all, when you positioned those strategies in place—in such a lot circumstances, a one-time tweak—you’ll be reaping the rewards a ways into the longer term. This ebook will switch your method of functionality optimization. whilst Steve started studying functionality for our Platform Engineering workforce at Yahoo! , i thought functionality used to be often a backend factor. yet he confirmed that frontend concerns account for eighty% of overall time. i presumed frontend functionality was once approximately optimizing photographs and maintaining CSS and JavaScript exterior, however the 176 pages and 14 ideas you’re maintaining on your hand instantaneously are evidence that it’s even more. I’ve utilized his findings to a number of websites. looking at already-fast websites render approximately two times as quick is large. His technique is sound, his information legitimate and broad, and his findings compelling and impactful. The self-discipline of frontend engineering continues to be younger, however the ebook on your palms is a crucial step within the maturation of our craft. jointly we’ll increase expectancies in regards to the internet by way of growing greater and swifter (and hence extra relaxing) interfaces and stories. Cheers to speedier browsing! —Nate Koechley Senior Frontend Engineer Yahoo! person Interface (YUI) staff, Platform Engineering, Yahoo! Inc. San Francisco, August, 2007 xi Preface 2 In 8th grade, my heritage classification studied the potency specialists of the commercial Revolution. i used to be enthralled by means of the ideas they used to spot and conquer bottlenecks in production. the main based development, in my brain, was once the adjustable stepstool that afforded employees of other heights the facility to extra simply succeed in the conveyor belt—a basic funding that ended in more desirable functionality for the lifetime of the method. 3 a long time later, I get pleasure from evaluating the simplest practices during this e-book to that 19thcentury stepstool. those most sensible practices increase an present approach. They require a few prematurely funding, however the fee is small—especially compared to the earnings.

Rated 4.52 of 5 – based on 47 votes