Start taking graphics on the web seriously and boost your applications' performance by learning the essentials about digital image formats.| evilmartians.com
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Create truly inclusive websites, mobile apps and web content with axe® accessibility testing tools. Inclusive experiences are better experiences.| Deque
Spacing| www.w3.org
HTML| html.spec.whatwg.org
Foreground| webaim.org
Two ways to do the same thing, but which is best?| jakearchibald.com