A GitHub ship that nobody has likely noticed was that we now serve native `class FooElement extends HTMLElement` and `async..await` JavaScript syntax to all browsers. No more need for most Babel transforms that we've relied on up until today!
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This change alone has resulted in a 15% reduction to our JS bundle sizes.pic.twitter.com/RIzcNYHKvZ
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Replying to @mislav
This is amazing! Any other metrics, e.g. how does it impact page load time TTI, TTFR, etc.? Would love to see a blog post with details 
9:43 AM - 10 Jan 2019
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JavaScript, HTML, CSS, HTTP, performance, security, Bash, Unicode, i18n, macOS.