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Issue № 371

Improving UX Through Front-End Performance

by Lara Hogan · 31 Comments

Adding half a second to a search results page can decrease traffic and ad revenues by 20 percent, says a Google study. For every additional 100 milliseconds of load time, sales decrease by 1 percent, Amazon finds. Users expect pages to load in two seconds—and after three seconds, up to 40 percent will simply leave. The message is clear: we must make performance optimization a fundamental part of how we design, build, and test every site we create—for every device. Design for performance; measure the results.

The Era of Symbol Fonts

by Brian Suda · 43 Comments

Welcome to the third epoch in web performance optimization: symbol fonts. Everything from bullets and arrows to feed and social media icons can now be bundled into a single, tiny font file that can be cached and rendered at various sizes without needing multiple images or colors. This has the same caching and file size benefits as a CSS sprite, plus additional benefits we’re only now realizing with high-resolution displays. Discover the advantages and explore the challenges you’ll encounter when using a symbol font.

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Laura Kalbag on Freelance Design

The Illusion of Free

The number of predictions that algorithms can make about us from even minimal data is shocking. Although we’re offered privacy settings that let us control who of our friends sees what, all our information and behavior tends to be fair game for behind-the-scenes tracking. We simply don’t know everything that’s being done with our data currently, and what companies might be able—and willing—to do with it in the future. Laura Kalbag believes it’s time to locate the exits.

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