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Choosing Devices

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find your visitors’ devices

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No content

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Device OS Version % Total Sessions Size Apple iPhone 7.1 40% handset Apple iPad 7.1 7.9% small/large tablet Apple iPhone 7.0.6 4.9% handset LG Nexus 5 4.4.2 4.5% handset Google Nexus 4 4.4.2 4% handset Apple iPhone 7.0.4 3.2% handset Apple iPhone 7.1.1 3.2% handset Google Nexus 4 4.3.1 2.5% handset Google Nexus 7 4.4.2 2.1% small tablet Apple iPhone 6.1.3 1.5% handset

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Get the most bang for your buck

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focus on the 20% of devices that produce 
 80% of your traffic

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Device OS Version % Total Sessions Size Apple iPhone 7.1 40% handset Apple iPad 7.1 7.9% small/large tablet Apple iPhone 7.0.6 4.9% handset LG Nexus 5 4.4.2 4.5% handset Google Nexus 4 4.4.2 4% handset Apple iPhone 7.0.4 3.2% handset Apple iPhone 7.1.1 3.2% handset Google Nexus 4 4.3.1 2.5% handset Google Nexus 7 4.4.2 2.1% small tablet Apple iPhone 6.1.3 1.5% handset

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cover your visitors’ screen sizes and operating systems

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Device OS Version % Total Sessions Size Apple iPhone 7.1 40% handset Apple iPad 7.1 7.9% small/large tablet Apple iPhone 7.0.6 4.9% handset LG Nexus 5 4.4.2 4.5% handset Google Nexus 4 4.4.2 4% handset Apple iPhone 7.0.4 3.2% handset Apple iPhone 7.1.1 3.2% handset Google Nexus 4 4.3.1 2.5% handset Google Nexus 7 4.4.2 2.1% small tablet Apple iPhone 6.1.3 1.5% handset

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buggiest: Kindle, older Android

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Device OS Version % Total Sessions Size Apple iPhone 7.1 40% handset Apple iPad 7.1 7.9% small/large tablet Apple iPhone 7.0.6 4.9% handset LG Nexus 5 4.4.2 4.5% handset Google Nexus 4 4.4.2 4% handset Apple iPhone 7.0.4 3.2% handset Apple iPhone 7.1.1 3.2% handset Google Nexus 4 4.3.1 2.5% handset Google Nexus 7 4.4.2 2.1% small tablet Apple iPhone 6.1.3 1.5% handset

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Does usage differ if you segment by audience region or target market?

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combination of touch and cursor

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retina/DPI

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Device OS Version % Total Sessions Size Apple iPhone 7.1 40% handset Apple iPad 7.1 7.9% small/large tablet Apple iPhone 7.0.6 4.9% handset LG Nexus 5 4.4.2 4.5% handset Google Nexus 4 4.4.2 4% handset Apple iPhone 7.0.4 3.2% handset Apple iPhone 7.1.1 3.2% handset Google Nexus 4 4.3.1 2.5% handset Google Nexus 7 4.4.2 2.1% small tablet Apple iPhone 6.1.3 1.5% handset

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Device OS Version % Total Sessions Size Apple iPhone 7.1 40% handset Apple iPad 7.1 7.9% small/large tablet Apple iPhone 7.0.6 4.9% handset LG Nexus 5 4.4.2 4.5% handset Google Nexus 4 4.4.2 4% handset Apple iPhone 7.0.4 3.2% handset Apple iPhone 7.1.1 3.2% handset Google Nexus 4 4.3.1 2.5% handset Google Nexus 7 4.4.2 2.1% small tablet Apple iPhone 6.1.3 1.5% handset

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purchasing devices

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used devices better- represent battery life

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wifi-capable vs. data plan

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eBay, Amazon, local cell phone dealers

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our devices

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In our lab: • 12 Android phones (a range of operating system versions and major manufacturers) • 3 Android tablets (a range of screen resolutions) • 1 Blackberry phone • 1 Firefox phone (developer preview) • 5 iPads (including 1 mini, different generations)

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In our lab (cont’): • 5 iPhones/iPods • 1 Kindle Fires (range of screen resolutions) • 1 Windows Phone, 1 Windows Surface, 1 Dell laptop • 1 Google Glass, 1 Chromebook Pixel • 1 Raspberry Pi, and some Kubis

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More reading • Strategies for choosing test devices: 
 http://stephanierieger.com/strategies-for-choosing-test- devices/ • How to build a device lab, with a thorough first section on choosing and acquiring devices:
 http://dmolsen.com/2012/06/26/how-to-build-a- device-lab-part-1/