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slightlylate's profile
Alex Russell
Alex Russell
Alex Russell
@slightlylate

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Alex Russell

@slightlylate

Chrome Project 🐡 & Web Standards TL; Blink API OWNER Named PWAs w/ @phae; probably making her ☕ DMs open. Tweets my own; press@google.com for official comms.

San Francisco, The Internet
infrequently.org
Joined December 2010

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    1. David Brunelle‏ @davidbrunelle 6 Jul 2018
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      The same goes for accessibility: React doesn't make it harder than any competing tools to implement accessible experiences. But accessibility only ends up being done well when it's a priority and teams building apps are accountable for hitting specific goals.

      1 reply 0 retweets 1 like
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    2. David Brunelle‏ @davidbrunelle 6 Jul 2018
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      If we had a time machine and replaced React in some of these projects with Vue, or Preact, or whatever... would the results be much different? Is React the reason some apps are slow? Or are teams deprioritizing performance and just happen to use React because it's popular?

      4 replies 0 retweets 3 likes
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    3. David Brunelle‏ @davidbrunelle 6 Jul 2018
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      It'd be fascinating to get in to some organizations and be a part of post mortems to figure out where things went wrong: before the first line of code was written? Or after the teams decided to build their apps around React?

      1 reply 0 retweets 0 likes
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    4. David Brunelle‏ @davidbrunelle 6 Jul 2018
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      We're still pretty happy with our decision to use React. Could we use less JavaScript? Sure. Does the app meet our business and user's needs? I think so. Is our PWA fast? Faster than what it replaced. So I'm still unconvinced that React is entirely to blame here. 🤷‍♂️

      2 replies 0 retweets 1 like
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    5. Alex Russell‏ @slightlylate 6 Jul 2018
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      Replying to @davidbrunelle

      What automation do you have in place to prevent regressions and measure median and 95th% user experience? Or is "faster" annecdotal and historical?

      1 reply 0 retweets 0 likes
    6. David Brunelle‏ @davidbrunelle 6 Jul 2018
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      Replying to @slightlylate

      Still working on automation that will fail builds if there are performance regressions. But "faster" in this case is based off of data collected and analyzed with @newrelic. To be fair: we had a low bar to measure improvement against.

      2 replies 0 retweets 0 likes
    7. Alex Russell‏ @slightlylate 6 Jul 2018
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      Replying to @davidbrunelle @newrelic

      So "no" and "low bar". Better than most, but can we agree that teams that pick up these sharp implements must do so with care and support that's largely missing?

      3 replies 0 retweets 0 likes
    8. Adam Rackis‏ @AdamRackis 6 Jul 2018
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      Replying to @slightlylate @davidbrunelle @newrelic

      Performance was one of the MAJOR selling points I used to get us on React. I re-wrote one of our heaviest Knockout modules in React. Render time and memory usage both improved massively. 1/3 memory, and 1/4 time to render, iirc.

      1 reply 0 retweets 0 likes
    9. Alex Russell‏ @slightlylate 6 Jul 2018
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      Replying to @AdamRackis @davidbrunelle @newrelic

      Adam, you target desktop in relatively controlled environments. That's not today's big challenge.

      1 reply 0 retweets 1 like
    10. Adam Rackis‏ @AdamRackis 6 Jul 2018
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      Replying to @slightlylate @davidbrunelle @newrelic

      Absolutely not true. We have desktop oriented modules (billing, claims management, etc). And we have modules designed explicitly for mobile / tablets (those are more domain specific and harder to describe). In either case, React *improved* perf by every measure.

      1 reply 0 retweets 0 likes
      Alex Russell‏ @slightlylate 6 Jul 2018
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      Replying to @AdamRackis @davidbrunelle @newrelic

      This begs more questions than it answers.

      2:04 PM - 6 Jul 2018
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        2. Adam Rackis‏ @AdamRackis 6 Jul 2018
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          Replying to @slightlylate @davidbrunelle @newrelic

          *raises* ;) Seriously tho, I'd love to discuss if ur really curious. It's a commercial web application that's ~10 years old. Framework progressions went from prototype.js -> jQuery -> Knockout -> React Each step (esp the last 2) were significant improvements all around

          1 reply 0 retweets 0 likes
        3. Alex Russell‏ @slightlylate 6 Jul 2018
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          Replying to @AdamRackis @davidbrunelle @newrelic

          Let's discuss soon. I'm mostly curious about user demographics.

          1 reply 0 retweets 1 like
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