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WPD 549: New features in Chrome 45, Client Hints for responsive images, contextual identities in Firefox

  • News

    • New Web Platform features in Chrome 45 (incl. Subresource Integrity; demo), post
    • Google Search will remove “mobile-friendly” label from pages that display app install interstitials, post
  • Posts

    • Automating resource selection with Client Hints (and Service Worker), ’s post w/ FAQ
      • With client hints enabled, information about DPR, viewport width, and the image’s display width is provided in the HTTP request itself (via headers). The allows the responsive image markup to be greatly simplified (see post for before/after example). ⁂ “Service Worker gives you full client-side control over the resource selection.”
    • Indicating quotations with the <blockquote>, <cite>, and <q> elements, ’s post
  • Demos

    • Examples of visual cues for clearer button states (improves accessibility), ’s post

  • Other

    • Alliance for Open Media established to deliver next-generation open media formats, post
    • Mozilla plans to add contextual identities to Firefox, ’s post w/ screens
      • This feature would enable users to easily switch between multiple sets of local user data (incl. cookies, local storage, cache). Example use case: The user has multiple accounts on websites and wants to be logged into both simultaneously; one in a personal context, the other in a work context.

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