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Smashing Conf Barcelona

You know, we use ad-blockers as well. We gotta keep those servers running though. Did you know that we publish useful books and run friendly conferences — crafted for pros like yourself? E.g. our upcoming SmashingConf Barcelona, dedicated to smart front-end techniques and design patterns.

Author:

Jon Arne Sæterås (jonarnes most places on the webs) is a mobile guy. He has been an active member and thought leader in the global mobile community since the late nineties. His dream is to make the web mobile.
Jon Arne is a developer by trade who believes that making the end user happy is the key to success. He is dedicated to building innovative technology that achieves an optimal user experience.
Jon Arne is also an occasional writer, blogger, speaker and book reviewer.

Twitter: Follow Jon Arne Sæterås on Twitter

Let The Content Delivery Network Optimize Your Images

Sometimes you have to step back and ask why a tradition exists. In mobile-first design, serving an image in three sizes — one for smartphones, one for tablets and one for desktops — using media queries and responsive images has become a tradition. But is it the best solution?

Let The Content Delivery Network Optimize Your Images

It's most likely better than doing nothing, but how well does it actually work? And is there room for improvement? In this article, we'll look closely at how well the one-size-per-form-factor approach really works and how we can use smart content delivery networks to improve image performance.

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Leaner Responsive Images With Client Hints

Responsive images have been around long enough for most of us to have taken them for a spin, or at least to have learned from the experiences of those who have. Beyond doubt, the responsive images specification is a great win for the web. However, quite a few reports from the front lines suggest that responsive images can become pretty ugly.

Responsive Images

The good news is that there is a fix! No, not throwing JavaScript at the challenge, but by asking the web server for a helping hand. Enter Client Hints, an initiative spearheaded by Google that is already available in browsers (Chrome and Opera) and that is super-simple to use. Let’s see how Client Hints can reduce both image size and verbosity of the responsive images markup.

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Case Study Improve Mobile Support With Server-Side-Enhanced Responsive Design

In many ways, responsive Web design deserves a big share of the honor for making the Web more usable on non-desktop devices. This trend of letting the browser determine more about how a Web page should be displayed makes sense, especially now that mobile browsers are slightly more trustworthy than in the old days of mobile.

Improve Mobile Support With Server-Side-Enhanced Responsive Design

However, a responsive website is not automatically a mobile-friendly website. Amid the buzz of trendy Web development techniques, the good ol’ Web server doesn’t get the spotlight it deserves. Modern Web development should be about finding the right balance between server-side and client-side implementation.

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