Pick date

This is a preview. All links and Twitter names have been removed. The full version of this content can be accessed only by patrons of this digest (after signing in). Become a patron by subscribing for $6/month.

WPD 513: HTML validator adds ARIA warnings, Facebook CSO wants end-of-life date for Flash, 30 FPS animations

  • Posts

    • The ARIA role taxonomy and the 8 characteristics of roles, @………’s post w/ diagram
  • Info

    • “Can I Use…” creates a summary support table for any combination of features listed in the URL, source
    • W3C’s HTML validator now also displays ARIA warnings (based on “ARIA in HTML” spec), screen
  • Demos

    • Throttling an animation to 30 FPS using requestAnimationFrame, @………’s demo w/ discussion
    • Syncing animations (by equating their Web Animations API .currentTime values), @………’s demo
  • Opinion

    • @……… (Facebook CSO): “It’s time for Adobe to announce the end-of-life date for Flash”, post

  • Other

    • CSP upgrade-insecure-requests directive (spec) lands in Firefox Nightly (already in Chrome), source
    • The commonly occurring characteristics of minimalist web interfaces, @………’s post
    • Using the Web Speech API to simulate CSS Speech support, @………’s post w/ demo

Select a release using the controls above.

RSS feed

Use this feed as a reminder to visit every day


2–3 tweets/day (the best stuff from each release)

GitHub repo

Use this repo to submit issues with the site

Subscriber features

If you find this digest useful, consider supporting it with a $6 monthly subscription. As a patron, you will get access to past releases and an option to receive releases via email.

Payment options

  • Automatic monthly payment

  • One-time payment (½ or 1 year)

Note: PayPal only. (Other providers are not available in my country.) If you don’t want to have your credit/debit card connected to PayPal, you can just disconnect it immediately after making an one-time payment.

Notable subscribers

  • Keeping up with the ever-changing web is hard. Web Platform Daily is one of my favorite ways to do that and my absolute favorite format: simple, distilled, curated, and reliable.

    Chris Coyier’s avatarChris Coyier, designer at CodePen, writer at CSS-Tricks

  • Web Platform Daily is a fantastic way to stay on top of the latest front-end techniques, tools and resources. Very, very valuable.

    Vitaly Friedman’s avatarVitaly Friedman, editor-in-chief of Smashing Magazine

  • Web Platform Daily has quickly become not only an essential resource, but the essential resource. Nowhere else will you keep pace with the changing frontend landscape.

    Paul Irish’s avatarPaul Irish, developer advocate at Google

Open Web Platform Daily Digest

released Mon–Fri at 7 a.m. UTC
curated by Šime Vidas (Twitter, Gmail)
supported by 136 patrons (view list)