Responsive web design is a new approach to website design that ensures users have a good viewing experience no matter what type of device they are using.
It is become gradually essential over the last few years as mobile device ownership has blasted and traditional PC sales have slowed. Google is ranking mobile-friendly sites in its search results algorithm, it is essential to make sure your site is optimized for mobile by using responsive design.

Responsive web design consists of three development principles. To work properly, all three of these need to be implemented.

Fluid Grids

A flexible grid-based design is the keystone of responsive design. It uses relative sizing to fit the content to the device’s screen size. This approach is based on percentages and is a departure from traditional pixel-based design principles.

Responsive design moves away from the pixel-based approach because a pixel on one device could be eight pixels on another device. By arranging text size, widths, and margins on percentages, a fixed size can be turned into a size relative to its required display space.

Media Queries

Media queries , the breakpoints, that can be used to apply different styles based on the capabilities of the device. The website detects the type of device you are using or the size of your web browser and correctly displays the page. Features can be used to control the width, height, max-width, max-height, device-height, orientation, aspect ratio, etc.

Flexible Images And Media

This feature permits you to adapt images and other media to load differently, depending on the device, either by scaling or using the CSS overflow property.

Scaling in CSS – The media element’s max width can be set at 100 percent, and the web browser will make the image shrink and expand depending on its container.
Here are some of the reasons your website needs to be responsive.

#1 Mobile Usage Is On The Rise

Every month mobile usage continues to grow, so every month more and more customers will view your website from a mobile device. If their experience looking and interacting with your site is poor, they’ll likely have a lower option of your brand, and they’ll also be more likely to visit a competitor’s site.

    • Over 20% of Google searches are performed on a mobile device.
    • In 2012, more than half of local searches were performed on a mobile device.
    • In the United States, 25% of internet users only access the internet on a mobile device.
    • 61% of people have a better opinion of brands when they offer a good mobile experience.
    • 25.85% of all emails are opened on mobile phones, and 10.16% are opened on tablets.

#2 Social Media Increases Mobile Visitors

Over 55% of social media ingesting now happens on mobile devices, so sharing links from social media sites like, Facebook, YouTube, Twitter, or Google Plus to your website will mean even more traffic and watching of your website from mobile devices. So if you have a social marketing strategy and want to leverage social sharing of content, get responsive.

#3 Responsive Design Is Preferred For SEO

In June 2012, at SMX Advanced, Google’s Pierre Farr went on the record to declare that Google prefers responsive web design over mobile templates. Having one single URL makes it easier for Google bot to crawl your site as well as reduces the chance of on-page SEO errors. For these reasons, responsive sites typically perform better and are easier to maintain than a separate, mobile-template site.