Joe Haddad 632e40f266 Optimize Prefetching (#9818) ... * Optimize Prefetching * fix css client nav test * fix preload viewport test * fix production test * patch tests more * Make page loader wait on prefetch * no unhandled rejection * Save some bytes		2019-12-24 10:07:44 -05:00
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pages	Prevent re-observing for an already prefetched page (#9644)	2019-12-20 15:30:58 -06:00
test	Optimize Prefetching (#9818)	2019-12-24 10:07:44 -05:00