Google On JavaScript & Responsive Web Design

Jul 24, 2012 • 8:55 am | comments (1) by twitter Google+ | Filed Under Google Search Engine Optimization
 

Responsive Web Design & GoogleA month ago, Google delivered their recommendation for mobile best practices as going with responsive web design.

Since then, there were many questions about implementation of the responsive web design. One such question was how to use JavaScript.

Pierre Far from Google posted more details of JavaScript with responsive design on Google+. He said they updated the documentation with a page specifically about JavaScript and responsive web design.

Pierre explained:

Using JavaScript potentially gives a neat solution to two questions we've seen:

1. How to include ads from networks that do not support responsive web design.

2. Using images of different sizes/resolutions for different devices.

Following our recommendations detailed above, you can use client-side JavaScript to decide which image or ad network/tag to include in the page while still using the full power of responsive web design.

There are three main methods for using JavaScript with responsive design:

  • JavaScript-adaptive: In this configuration, all devices are served the same HTML, CSS, and JavaScript content. When the JavaScript is executed on the device, the rendering or behavior of the site is altered. If a website requires JavaScript, this is Google's recommended configuration.
  • Combined detection: In this implementation, the website uses both JavaScript and server-side detection of device capabilities to serve different content to different devices.
  • Dynamically-served JavaScript: In this configuration, all devices are served the same HTML, but the JavaScript is served from a URL that dynamically serves different JavaScript code depending on the device's user-agent.

Forum discussion at Google+.

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Comments:

Igor Faletski

08/06/2012 06:48 pm

There is also MIT-licensed Mobify.js (http://mobifyjs.com) which allows developers to use JavaScript to make any website adaptive, or add adaptive JavaScript modules to a mobile/responsive websites. This still has the benefit of one URL for all platforms. Hope you like it!

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