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WPD 532: Testing HTTPS locally, Facebook’s 200-byte preview images, the Navigation Timing .domInteractive metric

  • Posts

    • Facebook uses 200-byte preview images to improve the perceived performance of cover photos, post
  • Info

    • The Navigation Timing API .domInteractive metric, @………’s post
      • .domInteractive represents the point in time at which the document becomes "interactive", which happens when the browser stops parsing the document (as per HTML spec; source). Note: This metric is not appropriate for measuring when a page becomes interactive for the user (e.g. screen).
  • Tools

    • @………’s Bash script for creating a self-signed certificate (for testing HTTPS locally), post

  • Other

    • WebGLStudio.js, a 3D graphics editor on the Web, @………’s site (see video demos)
    • @………: “Internet standards MUST prioritize end users higher than any other constituents”, post
    • Updated Let’s Encrypt launch schedule: General availability in November 2015, post

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