Question: Q: com.apple.webkit.webcontent highly load CPU
Sometime i have noticed that CPU and GPU temperate very hight, it loads from 45-47 till 58-59 and in same time i’m only using Safari and no any other soft with hard processes. When i’m open CPU usage real time, i see that com.apple.webkit.webcontent loading CPU sometime in 300% by that temperate begin to be very hight. When i kill this process all begin to work normal and not slowly. Its happen sometime. But i want to solve this problem. Any one had got this problem and found solution for this? As i understand its something with Safari right?
iMac (21.5-inch, Late 2012), OS X Mountain Lion (10.8.3), null
Posted on Jul 27, 2017 8:06 AM
You can try that, but the problem may not be related to the particular browser you’re using. It is related to the content delivered by the websites you load, and the manner in which that browser processes it.
Posted on Jul 27, 2017 1:22 PM
Helpful answers
That problem is caused by one or more websites open in a window or tab Close each one to isolate the cause.
Jul 30, 2017 2:15 PM
Some web page content will do that to WebKit, even web page content that appears on its face to be simple and innocuous, lacking any obvious complexity. The resulting monopolization of a Mac’s CPU can cause the entire Mac to become less responsive or effectively unresponsive, increase its exhaust fan speeds, consume copious amounts of power, make it uncomfortably warm, or all of the above.
WebKit is not exclusive to Safari.
If and when you can isolate a particular web page that drives com.apple.webkit.webcontent to extremes, at your option you can use Safari’s Develop menu to examine its content, perhaps find out what’s wrong with that page yourself, or refer it to its developer, or to Apple for examination:
Jul 30, 2017 2:15 PM
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That problem is caused by one or more websites open in a window or tab Close each one to isolate the cause.
Jul 30, 2017 2:15 PM
I know it:) i just want to find out how to solve this problem to not happen it in future. Use another browser?:)
Jul 27, 2017 12:17 PM
Maybe you have Flash enabled?
Here an old discussion about a similar issue: Safari Web Content high CPU usage
Jul 27, 2017 1:11 PM
You can try that, but the problem may not be related to the particular browser you’re using. It is related to the content delivered by the websites you load, and the manner in which that browser processes it.
Jul 27, 2017 1:22 PM
One of the functions of the kernel task process is to help manage the temperature of your CPU.
Activity Monitor might show that a system process named kernel_task is using a large percentage of your CPU, and during this time you might notice more fan activity.
One of the functions of kernel_task is to help manage CPU temperature by making the CPU less available to processes that are using it intensely. In other words, kernel_task responds to conditions that cause your CPU to become too hot, even if your Mac doesn’t feel hot to you. It does not itself cause those conditions. When the CPU temperature decreases, kernel_task automatically reduces its activity.
Quit any malfunctioning processes
To quit a process, first try quitting it normally. For example, quit Safari by switching to Safari and choosing Safari > Quit Safari.
If you can’t quit a process normally, you can use Activity Monitor to force it to quit. Save any documents related to the process, then select the process in Activity Monitor and choose View > Quit Process.
If you don’t recognize the name of a process, it might belong to macOS or another process that you do recognize. To see the relationships between processes, choose View > All Processes, Hierarchically. If you see that a process belongs to an app, such as Safari or Mail, quit the app before deciding whether to quit any of its processes.
To help avoid malfunctioning processes, keep your apps, plug-ins, and operating system up to date.
Jul 28, 2017 3:56 PM
So i need to disable it? Then how i will use it on sites? Thanks for link, will study
Jul 30, 2017 3:51 AM
Thanks, will study it
Jul 30, 2017 3:52 AM
Just check it. I have no any Extensions and Plug-ins in my Safary browser. So nothing to turn off:)
Its happen on some sites unexpectedly and temperature and CPU usage become to be very hight, as i mention above its about 300% of CPU usage for com.apple.webkit.webcontent and about 58-59C for CPU temperature from normal 45-46.
So its seems like problem with this webkit thing.
Jul 30, 2017 3:59 AM
Some web page content will do that to WebKit, even web page content that appears on its face to be simple and innocuous, lacking any obvious complexity. The resulting monopolization of a Mac’s CPU can cause the entire Mac to become less responsive or effectively unresponsive, increase its exhaust fan speeds, consume copious amounts of power, make it uncomfortably warm, or all of the above.
WebKit is not exclusive to Safari.
If and when you can isolate a particular web page that drives com.apple.webkit.webcontent to extremes, at your option you can use Safari’s Develop menu to examine its content, perhaps find out what’s wrong with that page yourself, or refer it to its developer, or to Apple for examination:
Jul 30, 2017 2:15 PM
Understand, in another words, its a functionality of WebKit which cause sometime this kind of problem, and solve this problem could Apple use any upgrade or so on, my on my end could only close tab with site which bring this problem with WebKit and\or test this site with Develop menu to refer it somewhere correct?
Jul 30, 2017 2:15 PM
Yes, for now, until the website’s creator is motivated enough to fix their content, or WebKit’s code is changed to cope with whatever causes the problem, or both.
Problems such as this are going to exist forever because as long as web browsers exist, their development will never stop. Website content creators are (generally) paid to develop eye-catching and commensurately performance-demanding websites, because those effects tend to impress the (generally) technologically challenged people who employ them. They almost never consider how well those websites work for the people who actually use them – at least until it begins to affect their bottom line. If using Amazon’s website (for example) caused people’s computers to melt, no one would shop on Amazon.
Poorly implemented websites are generally those with a captive audience. For that reason, government agencies and insurance companies are among the worst offenders, and it’s only recently that certain of their sites no longer unreasonably demand Microsoft Internet Explorer. The FAA’s website comes to mind.
Apple’s Safari isn’t the only user of WebKit. There are literally dozens of other browsers that use it, but 99% of them are probably unknown. If any particular browser chokes on any particular webpage, the only practicable workaround for end users is to use a different browser for that webpage.
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Question: Q: «com.apple.webkit.webcontent»
Hi, ever since I have updated to the OS 10.12.2 version, I seem to have issues with some of the standard inbuilt programs — like: iTunes, AppStore and Safari —
What ever I try — I get this message before I even do anything —
any idea what this is or how I can stop this — I am totally blocked with those programs!
Glad I have alternatives . . .
MacBook, Mac OS X (10.5.8)
Posted on Dec 22, 2016 2:46 AM
Use Remove link in the Etrecheck report to remove the Adware.
Uninstall Avast following the instructions provided by the developer.
Uninstall Trusteer following the instructions provided by the developer.
Posted on Dec 26, 2016 11:50 AM
All replies
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Please run EtreCheck and post the report here.
Download it, open Downloads folder, click on it to open, and then select ”Open”.
Click on the bouncing EtreCheck icon in the Dock.
“Choose a problem” from the popup menu box, and then “Start EtreCheck” in the dialog.
Click “Share Report” button in the toolbar, select “Copy to Clipboard” .
Paste it here when you reply.
Dec 22, 2016 5:19 AM
done, here the result!
EtreCheck version: 3.1.5 (343)
Report generated 2016-12-22 18:05:38
Click the [Support] links for help with non-Apple products.
Click the [Details] links for more information about that line.
Click the [Remove] links to remove adware.
Problem: Other problem
Hi, ever since I have updated to the OS 10.12.2 version, I seem to have issues with some of the standard inbuilt programs — like: iTunes, AppStore and Safari —
MacBook Pro (Retina, 13-inch, Early 2015)
[Technical Specifications] — [User Guide] — [Warranty & Service]
MacBook Pro — model: MacBookPro12,1
1 2,9 GHz Intel Core i5 (i5-5287U) CPU: 2-core
8 GB RAM Not upgradeable
4 GB DDR3 1867 MHz ok
4 GB DDR3 1867 MHz ok
Bluetooth: Good — Handoff/Airdrop2 supported
Wireless: en0: 802.11 a/b/g/n/ac
Battery: Health = Normal — Cycle count = 31
Intel Iris Graphics 6100
Color LCD 2560 x 1600
macOS Sierra 10.12.2 (16C67) — Time since boot: about 6 hours
APPLE SSD SM0512G disk0 : (500,28 GB) (Solid State — TRIM: Yes)
[Show SMART report]
EFI (disk0s1) : 210 MB
Recovery HD (disk0s3) [Recovery]: 650 MB
Macintosh HD (disk1) / [Startup]: 499.06 GB (223.50 GB free)
Core Storage: disk0s2 499.42 GB Online
Broadcom Corp. Bluetooth USB Host Controller
Logitech USB Receiver
Apple Inc. thunderbolt_bus
/etc/hosts — Count: 152
Mac App Store and identified developers
One adware file found. [Remove]
[loaded] com.avast.AvastFileShield (3.0.0 — SDK 10.9 — 2016-11-22) [Support]
[loaded] com.avast.PacketForwarder (2.1 — SDK 10.11 — 2016-11-22) [Support]
[not loaded] com.devguru.driver.SamsungComposite (1.4.32 — SDK 10.6 — 2016-12-21) [Support]
[not loaded] com.devguru.driver.SamsungACMControl (1.4.32 — SDK 10.6 — 2015-06-16) [Support]
[not loaded] com.devguru.driver.SamsungACMData (1.4.32 — SDK 10.6 — 2015-06-16) [Support]
[not loaded] com.devguru.driver.SamsungMTP (1.4.32 — SDK 10.5 — 2015-06-16) [Support]
[not loaded] com.devguru.driver.SamsungSerial (1.4.32 — SDK 10.6 — 2015-06-16) [Support]
System Launch Agents: ⓘ
[not loaded] 7 Apple tasks
[loaded] 179 Apple tasks
[running] 94 Apple tasks
System Launch Daemons: ⓘ
[not loaded] 40 Apple tasks
[loaded] 167 Apple tasks
[running] 104 Apple tasks
[not loaded] com.adobe.AAM.Updater-1.0.plist (2016-02-01) [Support]
[failed] com.adobe.ARMDCHelper.cc24aef4a1b90ed56a725c38014c95072f92651fb65e1bf9c8e43c37a 23d420d.plist (2016-10-13) [Support]
[running] com.avast.secureline.update-agent.plist (2016-12-12) [Support]
[loaded] com.avast.secureline.userinit.plist (2016-12-12) [Support]
[running] com.avast.update-agent.plist (2016-11-22) [Support]
[loaded] com.avast.userinit.plist (2016-11-22) [Support]
[loaded] com.google.keystone.agent.plist (2016-08-24) [Support]
[running] com.trusteer.rapport.rapportd.plist (2016-12-22) [Support]
[running] jp.co.canon.CUPSiPF.BackGrounder.plist (2016-02-08) [Support]
[running] jp.co.canon.CUPSiPF.PreviewDaemon.plist (2016-02-08) [Support]
[loaded] com.adobe.ARMDC.Communicator.plist (2016-10-13) [Support]
[loaded] com.adobe.ARMDC.SMJobBlessHelper.plist (2016-10-13) [Support]
[loaded] com.adobe.SwitchBoard.plist (2016-08-08) [Support]
[loaded] com.adobe.fpsaud.plist (2016-12-11) [Support]
[loaded] com.avast.init.plist (2016-11-22) [Support]
[loaded] com.avast.secureline.init.plist (2016-12-12) [Support]
[loaded] com.avast.secureline.uninstall.plist (2016-12-12) [Support]
[loaded] com.avast.secureline.update.plist (2016-12-12) [Support]
[loaded] com.avast.uninstall.plist (2016-11-22) [Support]
[loaded] com.avast.update.plist (2016-11-22) [Support]
[loaded] com.google.keystone.daemon.plist (2016-09-03) [Support]
[loaded] com.teamviewer.Helper.plist (2016-11-28) [Support]
[not loaded] com.teamviewer.teamviewer_service.plist (2016-11-28) [Support] — /Applications/TeamViewer.app/Contents/MacOS/TeamViewer_Service: Executable not found!
[running] com.trusteer.rooks.rooksd.plist (2016-12-15) [Support]
User Launch Agents: ⓘ
[loaded] com.avast.home.userinit.plist (2016-11-22) [Support]
[loaded] com.avast.secureline.home.userinit.plist (2016-12-12) [Support]
[loaded] com.bittorrent.uTorrent.plist (2016-12-10) Adware! [Remove]
User Login Items: ⓘ
iTunesHelper Application (2016-12-14)
A360 Desktop Application
fuspredownloader Application Hidden
Mach Init items are deprecated
FlashPlayer-10.6: 24.0.0.186 — SDK 10.9 (2016-12-15) [Support]
QuickTime Plugin: 7.7.3 (2016-12-21)
AdobePDFViewerNPAPI: 15.020.20042 — SDK 10.11 (2016-11-04) [Support]
AdobePDFViewer: 15.020.20042 — SDK 10.11 (2016-11-04) [Support]
Flash Player: 24.0.0.186 — SDK 10.9 (2016-12-15) [Support]
Google Earth Web Plug-in: 7.1 (2016-08-08) [Support]
Silverlight: 5.1.41105.0 — SDK 10.6 (2016-08-08) [Support]
3rd Party Preference Panes: ⓘ
Flash Player (2016-12-11) [Support]
Trusteer Endpoint Protection (2016-12-22) [Support]
Time Machine not configured!
Top Processes by CPU: ⓘ
Top Processes by Memory: ⓘ
746 MB kernel_task
573 MB thunderbird
393 MB mdworker(10)
360 MB AutoCAD LT 2017
Virtual Memory Information: ⓘ
2.21 GB Available RAM
5.79 GB Used RAM
2.20 GB Cached files
59 MB Swap Used
Dec 22, 2016, 04:30:05 PM /Library/Logs/DiagnosticReports/firefox_2016-12-22-163005_[redacted].cpu_resour ce.diag [Details]
Dec 22, 2016, 12:43:12 PM
Dec 22, 2016, 12:12:53 PM
Dec 22, 2016, 12:12:37 PM
Dec 22, 2016, 12:10:09 PM
Dec 22, 2016, 12:07:06 PM
Dec 22, 2016, 12:06:42 PM
Dec 22, 2016, 12:03:50 PM Self test — passed
Dec 22, 2016, 11:46:25 AM
Dec 22, 2016, 11:44:17 AM
Dec 22, 2016, 11:35:13 AM /Library/Logs/DiagnosticReports/com.avast.daemon_2016-12-22-113513_[redacted].c pu_resource.diag [Details]
Dec 22, 2016, 11:34:14 AM
Dec 22, 2016, 11:31:49 AM
Dec 22, 2016, 11:31:31 AM
Dec 22, 2016, 11:31:27 AM
Dec 22, 2016, 11:30:23 AM
Dec 22, 2016, 11:22:53 AM
Dec 22, 2016, 11:21:10 AM
Dec 22, 2016, 11:19:39 AM /Library/Logs/DiagnosticReports/rapportd_2016-12-22-111939_[redacted].crash
Dec 22, 2016, 11:19:36 AM /Library/Logs/DiagnosticReports/WindowServer_2016-12-22-111936_[redacted].crash
Dec 22, 2016, 11:15:12 AM
Dec 22, 2016, 11:05:46 AM
Dec 22, 2016, 11:03:53 AM
Dec 22, 2016, 11:02:22 AM
Dec 22, 2016, 10:48:08 AM
Dec 21, 2016, 10:53:04 PM /Library/Logs/DiagnosticReports/Microsoft Excel_2016-12-21-225304_[redacted].hang
/Applications/Microsoft Office 2008/Microsoft Excel.app/Contents/MacOS/Microsoft Excel
Dec 21, 2016, 07:13:15 PM /Library/Logs/DiagnosticReports/firefox_2016-12-21-191315_[redacted].cpu_resour ce.diag [Details]
Dec 21, 2016, 03:15:51 PM
Dec 21, 2016, 03:15:40 PM
Dec 21, 2016, 03:14:37 PM
Dec 21, 2016, 03:14:08 PM
Dec 21, 2016, 03:10:49 PM
Dec 21, 2016, 03:10:21 PM
Dec 21, 2016, 03:10:10 PM
Dec 21, 2016, 03:09:52 PM
Dec 21, 2016, 02:18:04 PM /Library/Logs/DiagnosticReports/mdworker_2016-12-21-141804_[redacted].crash
Dec 21, 2016, 02:09:49 PM /Library/Logs/DiagnosticReports/mdworker_2016-12-21-140949_[redacted].crash
Dec 21, 2016, 02:04:16 PM /Library/Logs/DiagnosticReports/firefox_2016-12-21-140416_[redacted].cpu_resour ce.diag [Details]
Dec 21, 2016, 09:54:41 AM /Library/Logs/DiagnosticReports/firefox_2016-12-21-095441_[redacted].cpu_resour ce.diag [Details]
Dec 21, 2016, 12:54:00 AM /Library/Logs/DiagnosticReports/softwareupdated_2016-12-21-005400_[redacted].cr ash
Dec 21, 2016, 12:52:15 AM /Library/Logs/DiagnosticReports/softwareupdated_2016-12-21-005215_[redacted].cr ash
Dec 21, 2016, 12:50:16 AM /Library/Logs/DiagnosticReports/softwareupdated_2016-12-21-005016_[redacted].cr ash
Dec 21, 2016, 12:48:23 AM /Library/Logs/DiagnosticReports/softwareupdated_2016-12-21-004823_[redacted].cr ash
Dec 20, 2016, 09:39:55 PM /Library/Logs/DiagnosticReports/softwareupdated_2016-12-20-213955_[redacted].cr ash
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