RWD Element -  Row by Row

RWD Element - Row by Row

Responsive web design<-- news.topic

is an approach to web design aimed at crafting sites to provide an optimal viewing and interaction experience<-- news.brief

A site designed with RWD[14] adapts the layout to the viewing environment by using fluid, proportion-based grids, flexible images, and CSS3 media queries, an extension of the @media rule, in the following ways: The fluid grid concept calls for page element sizing to be in relative units like percentages, rather than absolute units like pixels or points.[64] Flexible images are also sized in relative units, so as to prevent them from displaying outside their containing element.<-- news.content

<-- news.htmlarea -->

Mobile first, unobtrusive JavaScript, and progressive enhancement

are related concepts that predate RWD.

[15] Browsers of basic mobile phones do not understand JavaScript or media queries, so a recommended practice is to create a basic web site and enhance it for smart phones and PCs, rather than rely on graceful degradation to make a complex, image-heavy site work on mobile phones.

Challenges, and other approaches

Luke Wroblewski has summarized some of the RWD and mobile design challenges, and created a catalog of multi-device layout patterns.

He suggests that, compared with a simple RWD approach, device experience or RESS (responsive web design with server-side components) approaches can provide a user experience that is better optimized for mobile devices. Server-side "dynamic CSS" implementation of stylesheet languages like Sass or Incentivated's MML can be part of such an approach by accessing a server based API which handles the device (typically mobile handset) differences in conjunction with a device capabilities database in order to improve usability.[29] RESS is more expensive to develop, requiring more than just client-side logic, and so tends to be reserved for organizations with larger budgets. Google recommends responsive design for smartphone websites over other approaches.[30]

History

The first site to feature a layout that adapts to browser viewport width was Audi.com

Limited browser capabilities meant that for Internet Explorer, the layout could adapt dynamically in the browser whereas for Netscape, the page had to be reloaded from the server when resized.

CSS frameworks

CSS frameworks are pre-prepared software frameworks that are meant to allow for easier, more standards-compliant web design using the Cascading Style Sheets language.

Most of these frameworks contain at least a grid. More functional frameworks also come with more features and additional JavaScript based functions, but are mostly design oriented and unobtrusive. This differentiates these from functional and full JavaScript frameworks.

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RWD Element -  Row by Row