Simon Pieters

@zcorpan

I work for on web standards and testing the web platform to foster interoperability between web browsers. Author of

Sweden
Joined March 2010

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  1. Pinned Tweet
    30 Dec 2019

    ✍️I started writing a book in mid 2018. It's still in progress, but is available for free online and you can buy it as an ebook on Leanpub.

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  2. Feb 1

    I have only slightly more than this many followers 👐

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  3. Jan 29

    Soon, we'll have reached the point where there's essentially no gap between browsers' devtools and WYSIWYG editors.

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  4. Retweeted

    Puppeteer v2.1.0 is out! 🔥 ➡️ Chromium 80 ➡️ puppeteer.launch({product: 'firefox'}) Puppeteer can now talk to a real, unpatched Firefox binary. You no longer need to install puppeteer-firefox separately!

    `puppeteer.launch` now accepts a `product` option which can be set to `'firefox'`.
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  5. Retweeted

    Secondary straw poll: If you want to add 0 or 1 to a value based on whether another calculation is even or odd, which do you prefer? (plz RT this one as well)

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  6. Retweeted

    Heck, let's straw-poll the mod issue: What should be the answer to mod(-8px, 5px)? (feel free to RT for reach)

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  7. Retweeted
    Jan 21

    A new post from on the blog, about the 's new "Accessibility considerations" section for each element:

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  8. Jan 21

    It takes time, but with standards and shared tests, browsers will eventually do things correctly. Working on <img> stuff was fun. It'd be cool to work on it again! (4/4)

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  9. Jan 21

    Issue 421909: Media queries do not support calc() for internal CSS length values Fixed in January 2018 (3/4)

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  10. Jan 21

    Issue 421907: Feature request: support 'q' unit for <length> Fixed in September 2017 (2/4)

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  11. Jan 21

    In September 2014, I reported a chromium bug "Fix bugs found by img/picture web-platform-tests". It got 11 more specific bugs blocking it. Last week it was closed as Fixed. 🥳 Some interesting ones in there: (1/4)

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  12. Retweeted
    Jan 21

    "Thankfully, the web platform tests help us make sure we are compatible with other browsers once we figured out the blocking bug or missing feature." (from "New browser on the block: Flow", )

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  13. Retweeted
    Jan 21

    New browser on the block: Flow An interview with Piers Wombwell, lead developer of Flow, a brand-new browser with a brand-new rendering engine.

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  14. Retweeted
    Jan 16

    We're hiring! We just opened technical project and engineering manager positions. Come join our team:

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  15. Retweeted
    Jan 16

    We are very sorry to hear about the layoffs at Mozilla, a company whose mission has inspired us over the years. For those affected, we are hiring

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  16. Jan 15

    Dear LazyTwitter, What's the best way to do an accessibility audit of a website these days? Which automated tools, check lists, etc?

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  17. Retweeted
    Jan 15

    Today we have a new Blink-based browser, so I'd like to share this very fine article about browser engines, by

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  18. Retweeted
    Jan 13

    89 amazing people contributed to the 2019 Web Almanac. This year, we're renewing our call for authors, reviewers, analysts, designers, developers, translators, and editors to help build the 2020 edition. Sign up here if you're interested: (please RT!)

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  19. Retweeted
    Jan 10

    One month later, still not fixed. I really don't want to add bogusly-cased un-prefixed pseudo-classes for this. Is there any Google / Chromium folks that can push this internally? This sucks :-(

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  20. Retweeted

    📢 For hire! 📢 I am looking for contract work / will consider permanent positions (London/remote). I have a decade+ experience with contributing to web standards and working cross-vendor to meet goals, testing complex software, and associated large test automation systems.

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  21. Retweeted
    19 Dec 2019

    Want to know what the top 10 Frustrations are for Web Developers and Designers? Happy to announce the launch of the first MDN Web Developer Needs Assessment Report:

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