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YouTube is now written in Polymer, a library made by Google that uses the Web Components specifications, which currently only Chrome supports natively[1], so th
by arianon 9y ago
YouTube is now written in Polymer, a library made by Google that uses the Web Components specifications, which currently only Chrome supports natively[1], so they have to rely on polyfills on the rest of the browsers, so it's understandable that YouTube can perform bad on browsers other than Chrome.
[1]: https://caniuse.com/#search=web%20components https://caniuse.com/#search=web%20components
- kuschku 9y ago> which currently only Chrome supports natively Firefox Nightly supports it, too, but Google still uses the polyfill there, and not even their normal polyfill, but a significantly slower one.