December 2014
Beginner to intermediate
179 pages
4h 11m
English
Content preview from Designing for PerformanceBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Chapter 5. Responsive Web Design
Mobile is no longer “the future.” As mentioned in Chapter 1, handsets are the primary Internet access method (http://slidesha.re/eW8wQ9) for a vast number of global Internet users. People are primarily using handsets to access the Internet, and these devices present their own unique set of challenges. Between the tremendous amount of latency on mobile networks (see “Mobile Networks”) and hardware challenges like WiFi signal strength and battery power (see “Mobile Hardware”), it’s more important than ever that we design and develop sites that are as high performing and efficient as possible. We need to aim for no unnecessary overhead for our users and optimize for perceived performance on all screen sizes.
The challenge with responsive web design sites is that it can be very easy to accidentally deliver unnecessary content like too-large images or unused CSS and JavaScript. Because the process of creating a responsively designed site can often include adding markup and functionality to optimize your layout and content for smaller screens, it’s no surprise that many sites deliver the same page weight or additional page weight to mobile devices without the designers and developers even realizing it.
Many creators of responsive sites are already going above and beyond in their decision-making process: reflowing content, choosing to hide or show various elements, making smart decisions about hierarachy, and more. We need to build an additional step into ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.