New post: Adding rel="noopener" to external links is important for security, but it can also improve performancehttps://jakearchibald.com/2016/performance-benefits-of-rel-noopener/ …
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pretty sure it's because of window.opener. This will change with OOPIF.
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because, if they're different threads, why is one tab's JS janking another's?
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& Web Standards TL; Blink API OWNER
Named PWAs w/
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