Download E-books High Performance Responsive Design: Building Faster Sites Across Devices PDF

By Tom Barker

Yes, you can use responsive website design to create excessive functionality, compelling web pages. With this sensible e-book, writer Tom Barker demonstrates that responsive layout is not only a frontend-only strategy, but additionally a philosophy for profiting from the whole internet stack. Responsive layout styles and anti-patterns, derived from seriously used real-world websites, are guiding ideas during the book.

Ideal for frontend-focused net builders, this publication indicates you the way to include responsiveness and function into your venture plan, use Node.js for device-specific performance at the backend, and write computerized exams for a continual integration atmosphere. You’ll discover many helpful instruments and responsive frameworks, and achieve worthy insights from Barker’s personal event with responsive layout alongside the way.

  • Get a primer on net functionality strategies, net runtime functionality, and function monitoring tools
  • Write performance with Node.js that serves up a device-specific adventure to the client
  • Explore client-side ideas, akin to lazy loading whole sections of a page—including photos, styling, and content
  • Validate carrier point agreements (SLAs) by way of writing automatic exams with PhantomJS
  • Examine a number of responsive frameworks, together with the author’s server-side framework, Ripple

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Head = "/components/ head/1024/"; buyer. sectionURLs. physique = "/components/ body/1024/"; purchaser. sectionURLs. footer = "/components/footer/1024/"; }else if(window. innerWidth == 2048){ if(window. devicePixelRatio ==2){ patron. sectionURLs. head = "/components/ head/2048/retina/"; customer. sectionURLs. physique = "/components/ body/2048/retina/"; 102  |   excessive functionality RESPONSIVE layout client. sectionURLs. footer = "/components/footer/2048/retina/"; } } go back consumer; } [ NOTE ] this can be an severe instance during which we're lazy loading formatting in addition to content material. in certain cases, chances are you'll simply have to lazy load formatting or performance. yet there'll even be a few situations for which you'll locate it priceless to lazy load content material to boot. probably you're experimenting with new photo codecs, akin to WebP or JPEG XR, that aren't but absolutely supported through all browsers, so that you load your lighter content material just for the browsers that help it. probably, like one among my groups has been doing in recent years, you're constructing websites for a tv set-top field, and varied containers help diversified video playback codecs. if so, you could lazy load purely the movies on hand for that supported structure on that specific field. anything else to remember: the browser will instantly lazy load CSS historical past pictures; if the exhibit is determined to none, the history photo usually are not loaded until eventually the point is made obvious. this is one other tactic to lazy load yes photographs at the web page. gadget DETECTION LIBRARIES trying out functions is typical and straightforward at the customer facet, yet it’s nonetheless tricky making a choice on shape issue and the precise machine. you'll make the argument that so long as we all know the functions, we don’t want to know the shape issue, yet that doesn’t think about issues akin to community reliability. lets parse the consumer Agent to figure out the shape issue, yet then we’d need to maintain a look-up desk to correlate tokens from the consumer Agent to express units and shape components. What if rather than retaining that look-up desk, we needed to depend upon a 3rd occasion to do this? counting on a 3rd social gathering may make sure that us to thoroughly aim particular shape components comparable to TVs with no need to keep up our personal consumer Agent to gadget database. shall we | five. The Frontend      103 again glance to the realm of device-detection databases. either Wurfl and machine Atlas have client-side libraries that disclose gadget functions inside local JavaScript libraries. gadget Atlas bundles its JavaScript library with its customer obtain. Scientiamobile has a website, http://wurfl. io/, devoted to allotting their client-side answer: wurfl. js. determine 5-9 depicts the house web page of wurfl. io. determine 5-9 Scientiamobile’s wurfl. io website to exploit the wurfl. js, easily contain a hyperlink to the hosted JavaScript dossier: 104  |   excessive functionality RESPONSIVE layout This creates an item within the worldwide scope named WURFL.

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