Diigo Bookmarks 09/11/2014 2014年9月11日 著 A Beginner’s Guide to Website Speed Optimization by Kinsta "every 1 second delay in page load decreases customer satisfaction by 16 percent, page views by 11 percent and conversion rates by 7 percent according to a recent Aberdeen Group research." tags: performance When the refresh comes | The Paciello Group – Your Accessibility Partner "The Section 508 Refresh contains a provision that places responsibility on assistive technology vendors to make use of accessibility information made available via platform accessibility APIs." tags: accessibility Polyfills as a service | FT Labs "The polyfill service does this by reading the User-Agent HTTP header and then using it to find the list of polyfills that are suitable for that browser and its specific version." tags: webservice Chromium Blog: Responsive Web Design with DevTools' Device Mode "Chrome 38 Beta includes a new Device Mode that puts you one click away from emulating mobile devices, inspecting media queries, and emulating flaky network conditions." tags: chrome rwd Twitter Cards Complete Guide: How to Choose, Set Up, Measure, And More "how to understand which types are best for you, how to set up and verify your cards, how to analyze and measure your cards and a few caveats and best practices to know to make sure your Twitter cards stand out from the crowd." tags: twitter webdev Email Design Workflow "After attending The Email Design Conference last week, it was interesting to see that pretty much every designer has a different workflow when it comes to designing emails." tags: email webdev Posted from Diigo. The rest of my favorite links are here.