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WPD 439: Being considerate of lesser devices and browsers, browser representatives on CSS performance

  • News

    • Changes in Firefox 37 for web developers (i.a. CSS display: contents, screen), page (MDN)
    • Intent to Implement in Blink: <link rel="preload"> (and the equivalent HTTP Link header), disc.
      • @………: “In effect, rel=preload is a declarative fetch() that decouples fetching from processing and execution, and allows developers to build own fetch+execution strategies.”
  • Posts

    • Being considerate of lesser devices/browsers with progressive enhancement, @………’s post
      • “Start with a strong, semantic foundation, layer on styles smartly and add in unobtrusive JavaScript to build up the experience. This allows us to reach more places while still delivering powerful experiences to iOS, Android and other more capable future browsers.”
    • Browser representatives on CSS performance, @………’s post
      • “…there are selectors that are more performant than others but we normally only see these in cases where there are massive DOM trees in tandem with Javascript anti-patterns that causes DOM thrashing and additional layout or painting to take place.”
    • Refresher: Using the <picture> element for art direction, @………’s post
  • Demos

    • Firefox DevTools update: Line box highlighting for (split) inline elements, screen (+ comp. to Chrome)

  • Other

    • The different position values for the CSS background-position property, @………’s post
    • “Browsers remove the body of the response if the request was HEAD”, disc.
    • Windows Apps Team blog: A preview of WinJS 4.0, post

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Open Web Platform Daily Digest

released Mon–Fri at 7 a.m. UTC
curated by Šime Vidas (Twitter, Gmail)
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