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[SOLVED]YouTube videos loading lags in Safari

Joined
Mar 21, 2011
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168
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HP ProBook 4530s, MacBook Pro 8,1 13", MacBook Air 5,2 13", MacBook Pro 8,2 15", MacBook Pro 5,2 17"
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i3-2310M, i7-2640M, i5-3427U, i7-2860QM, Core 2 Duo T9800
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I'm using Mountain Lion 10.8.4 and i have big loading lag when opening YouTube videos, the page opens instantly but the video needs at least 15 seconds to start playing, this issue only occurs in Safari, and it's really annoying, Chrome and FF are both working fine. I've tried reseting Safari, emptying cache, resetting NVRAM and even reinstalling Mountain Lion and nothing helped, sometimes problem disappears for a short while and then returns.
When i refresh page video starts loading immediately, just not at first try, flash videos on all other sites are working fine, it only happens on YouTube and videos embedded from YT.
Does anyone have similar problem?

MacBook Pro 15", i5, 8GB, 128GB SSD, 10.8.4
 

dbm

Joined
Jan 18, 2013
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4
Motherboard
10.8.2
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i5-2500k
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Asus GTX560Ti
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iOS
YouTube videos loading lags in Safari

Open Terminal (in /Applications/Utilities)

Execute the Terminal command below to disable DNS prefetching:


Code:
defaults write com.apple.safari WebKitDNSPrefetchingEnabled -boolean false
Quit Safari, then open it again and test for the issue.
 
Joined
Mar 21, 2011
Messages
168
Motherboard
HP ProBook 4530s, MacBook Pro 8,1 13", MacBook Air 5,2 13", MacBook Pro 8,2 15", MacBook Pro 5,2 17"
CPU
i3-2310M, i7-2640M, i5-3427U, i7-2860QM, Core 2 Duo T9800
Graphics
HD 3000, HD 4000, AMD Radeon HD 6770M, GeForce 9400M, GeForce 9600M GT
Mac
MacBook Air, MacBook Pro
Classic Mac
Mobile Phone
iOS, Other
YouTube videos loading lags in Safari

Open Terminal (in /Applications/Utilities)

Execute the Terminal command below to disable DNS prefetching:


Code:
defaults write com.apple.safari WebKitDNSPrefetchingEnabled -boolean false
Quit Safari, then open it again and test for the issue.

Thank you for answering my question, but the problem disappeared on it's own, i don't know how or why...
 
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