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Correction: I did some more research and YouTube's Polymer UI uses Chrome's non-standard Shadow DOM v0 API, so even when Firefox and Edge ship the standard Shad
by cpeterso 9y ago
Correction: I did some more research and YouTube's Polymer UI uses Chrome's non-standard Shadow DOM v0 API, so even when Firefox and Edge ship the standard Shadow DOM API (which is in progress), YouTube will still be 5x slower than in Chrome. :|