Safari on Mac stutter during general use

I use Safari 9.0.3 on my less than 2 years, iMac and have noticed that performance got really bad last week.

Scrolling often GET stuck and Couplers for a moment before continuing. There is sometimes a time when you type. I'll start typing in a search field on a Web site, and it'll take a few seconds before I see the pressure on the keys on the screen.

Watching videos etc are fine, no problem, no stutter, it seems to just be scrolling and some interactions. It can be very annoying.

I disabled all extensions, plug-ins, java script and cookies deleted, but still no luck.

I also download all the OS updates available and closed all of the tabs in the current session of Safari, but still nothing.

Any help would be great.

Go step by step and test.

1. turn off the power to the router. Unplug it from the wall. Wait a while.

Plug it in, back to the wall. Turn on the router. Wait for all lights are light up properly. It will take a while.

Restart the computer.

Boot mode safe.

https://support.Apple.com/kb/PH18760?locale=en_US

2 remove Caches.db

Close all windows and close all applications.

Hold down the 'option' key, then click on the "Go" menu in the Finder menu bar.

Select 'Library' in the menu dropdown.

Library > Caches > com.apple.Safari > Caches.db

Right-click on the Caches.db file and select "move to trash".

Close the windows.

Restart and restart Safari.

3 remove the test and com.apple.Safari.plist file.

Empty the trash.

Quit all applications.

Hold down the option key and click on the "Go" menu in the Finder menu bar.

Select 'Library' in the menu dropdown.

Library > Preferences > com.apple.Safari.plist

Right-click on it and select "place it in the trash.

Close the Finder window.

Turn it back on.    Restart Safari.

If this does not help, "put back" the com.apple.Safari.plist

Right click on the trash icon in the Dock, then select 'open '.

Right-click on the com.apple.Safari.plist and select 'Put Back'.

4 uncheck if selected Proxies.

System Preferences > network > advanced > proxies tab

Unlock the lock if you have to.

Under "Select the Protocol", uncheck all box if marked cheque.

Click 'OK' and then 'apply '.

Tags: Mac OS & System Software

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