Drain battery/CPU Safari on El Capitan? (2013 retina MacBook Pro)

Recently, I noticed my retina MB Pro 2013 has worked a bit warmer than usual, and when I check the process it seems as if web content safari uses a lot of CPU.  Moreover, when I check the impact of energy, web content safari appears to use a large part (99 +).  It's even when I'm on simple Web pages, such as this one or google homepage.  I tried to delete the caches and reset PRAM and SMC, nothing helps.  This results in significantly reduced battery life and life while they inspected the power in the information system, much of the energy consumption (values of my to--1500 to 2000).   The Estimator gives me an estimate of less than 4 hours when fully charged, when I'd get easily 7-8 before what is going on has begun.  I noticed that when I boot on a guest account, resource consumption does not seem to be messed up like this and Firefox power impact seems to be normal.  Any ideas?

These are the files accessed by content web safari:

System/Library/Frameworks/WebKit.Framework/versions/A/XPCServices/com. Apple.Web Kit.WebContent.xpc

System/Library/Frameworks/WebKit.Framework/versions/A/XPCServices/com. Apple.Web Kit.WebContent.xpc/Contents/MacOS/com.apple.WebKit.WebContent

/System/Library/frameworks/WebKit.Framework/versions/A/WebProcess.app/Contents/M acOS/WebProcessShim.dylib

/usr/share/ICU/icudt55l.dat

/System/Library/CoreServices/SystemAppearance.bundle/Contents/resources/SystemAp pearance.car

/ private/var/Folders/3 L/37lkqqyj6tv1cl1rlcmp0k4h0000gn/0/com. S Apple.LaunchService - 134501.csstore

/ System/Library/Keyboard Layouts/AppleKeyboardLayouts.bundle/Contents/Resources/AppleKeyboardLayouts-L.d

/ System/Library/caches/com. Apple.IntlDataCache.le.kbdx

/ private/var/db/MDS/messages/se_SecurityMessages

/Applications/Safari.app/Contents/resources/Safari.wkbundle/Contents/MacOS/Safar I have

/System/Library/PrivateFrameworks/WebContentAnalysis.Framework/versions/A/WebCon tentAnalysis

/System/library/fonts/SFNSText-regular.OTF

/System/Library/frameworks/JavaScriptCore.Framework/versions/A/libraries/libllvm ForJSC.dylib

/ usr/lib/dyld

/ private/var/db/dyld/dyld_shared_cache_x86_64h

/ dev/null

/ dev/null

/ dev/null

Count = 2, State = 0x12

/System/Library/CoreServices/SystemAppearance.bundle/Contents/resources/SystemAp pearance.car

FNetwork.defaultStorageSession

FNetwork.defaultStorageSession

FNetwork.defaultStorageSession

/ dev/random

I also forgot to add - using the 'uptime' command in a terminal, my load averages are between 2 and 3.  It seems too high to barely do anything other than browsing the web.

Tags: Mac OS & System Software

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