Barry Levine says, “Since the end of the last decade, responsive web design (RWD) has been a popular way for marketers to minimize the amount of website modification they have to do for multiple screens.

In responsive web design, a single website is automatically scaled for different screen sizes through proportion-based page grids. But mobile users are becoming pickier about mobile website performance, and this pickiness has been a driver of the increasing use of ad blockers.

Even though RWD images are resized for the screen, Akamai Technologies’ Senior Product Marketing Manager Anthony Larkin told me recently, it’s important that marketers keep in mind the need to optimize the images.

According to HTTP Archive’s research, an average of 63 percent of webpage weight is due to images. Larkin noted that some marketers deliver the same resized image to all users of RWD sites, whether they’re on mobile or desktop. Some others prepare small, medium and large images, with breakpoints for which images go to which screen sizes“.

Akamai: When creating responsive sites for mobile, consider dynamic image optimization

Marketing Land

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