Responsive Web Design Tips | Sparkbox | Web Design and Development
"Just like with development, designing for responsive is a very different game than designing for a single viewport. Jeremy shares his lessons learned so far trying to tame the RWD beast."
Using WEBP/JPEG 2000/JPEG-XR/APNG Now With Picturefill and Modernizr
"The excellent picturefill polyfill had up until recently only supported GIF, PNG, JPEG, WEBP and SVG, so I added JPEG-2000, JPEG-XR and APNG to the mix so that developers could take advantage of these alternate image formats today"
Selector － A simple content management system for HTML5 websites
"Just connect Selector to your FTP and your site will automatically become editable. Great for HTML5 based websites."
HTML5 canvas sub DOM | The Paciello Group - Your Accessibility Partner (WCAG 2.0/508 audits, VPAT, usability and accessible user experience)
"In Firefox and IE and Chrome and Opera and Safari HTML content inside the canvas element is available at all times to assistive technology users and keyboard users can operate links and controls and they are included in the default tab order."
Mobile Accessibility: How WCAG 2.0 and Other W3C-WAI Guidelines Apply to Mobile
"This document, "Mobile Accessibility: How WCAG 2.0 and Other W3C-WAI Guidelines Apply to Mobile" describes how the Web Content Accessibility Guidelines (WCAG) 2.0 [[WCAG20]] and its principles, guidelines, and success criteria can be applied to mobile web content, mobile web apps, native apps, and hybrid apps using web components inside native apps."
Keyboard Accessibility with the Space Bar | :last-child
"Going back to the first rule of ARIA, use the correct tag before adding a role attribute to create a pseudo-element. This will inherit the standard user interactions and your users will not be confused when the application doesn't behave as expected."