Safari behaving slow? Here’s some advice:
A neat way to enhance performance of Safari, the Mac web browser, is to disable its default ability to prefetch DNS information. Often resulting in decreased speed of or partial webpage loading, or webpage cannot be found errors.
If speed issues are evident with your Safari browser you could apply this tweak to disable DNS prefetching:
Disable DNS prefetching:
defaults write com.apple.safari WebKitDNSPrefetchingEnabled -boolean false
Be sure to close Safari, or reboot your Mac so the change takes effect.
If you wish to return to the default value use this command:
defaults write com.apple.safari WebKitDNSPrefetchingEnabled -boolean true
We hope Safari is not slow for you however if you experience slowness in Safari you know who to call for expert advice and independent support.
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…and another useful tip for Safari:
If you have updated to El Capitan Safari allows you to “pin” your favourite sites to its toolbar.
Right-click the tab you want to pin and select Pin Tab (you can also do so from the Window menu), and that tab will appear in every Safari window you open.