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Question: Slow Safari after High Sierra Upgrade

My Safari has slowed down significantly after High Sierra, it was NOT a clean install. Below is my EtreCheck if anyone can give me some insight 🙂

EtreCheck version: 3.4.6 (460)

Report generated 2017-11-10 21:32:51

Download EtreCheck from

Runtime: 2:07

Performance: Excellent

Click the [Lookup] links for more information from Apple Support Communities.

Click the [Details] links for more information about that line.

Problem: Other problem


Safari painfully slow

Hardware Information:

MacBook Pro (Retina, 13-inch, Early 2015)

[Technical Specifications] - [User Guide] - [Warranty & Service]

MacBook Pro - model: MacBookPro12,1

1 2.7 GHz Intel Core i5 (i5-5257U) CPU: 2-core

8 GB RAM Not upgradeable


4 GB DDR3 1867 MHz ok


4 GB DDR3 1867 MHz ok

Handoff/Airdrop2: supported

Wireless: en0: 802.11 a/b/g/n/ac

Battery: Health = Normal - Cycle count = 165

iCloud Quota: 32.97 GB available

Video Information:

Intel Iris Graphics 6100 - VRAM: 1536 MB

Color LCD 2560 x 1600

Disk Information:

APPLE SSD SM0128G disk0: (121.33 GB) (Solid State - TRIM: Yes)

[Show SMART report]

EFI (disk0s1 - MS-DOS FAT32) <not mounted> [EFI]: 210 MB

(disk0s2) <not mounted> [APFS Container]: 121.12 GB

USB Information:


Western Digital My Passport 0748

My Passport 0748 disk2: (1 TB)

Time Machine (disk2s1 - Journaled HFS+) /Volumes/Time Machine : 1.00 TB (877.93 GB free)

Broadcom Corp. Bluetooth USB Host Controller

Thunderbolt Information:

Apple Inc. thunderbolt_bus

Virtual disks:

Macintosh HD (disk1s1 - APFS) / [Startup]: 121.12 GB (41.93 GB free)

Physical disk: disk0s2 121.12 GB (41.93 GB free)

(disk1s2) <not mounted> [Preboot]: 121.12 GB

Physical disk: disk0s2 121.12 GB

(disk1s3) <not mounted> [Recovery]: 121.12 GB

Physical disk: disk0s2 121.12 GB

(disk1s4) /private/var/vm [VM]: 121.12 GB

Physical disk: disk0s2 121.12 GB

System Software:

macOS High Sierra 10.13.1 (17B48) - Time since boot: less than an hour


Mac App Store and identified developers

System Launch Agents:

[not loaded] 9 Apple tasks

[loaded] 177 Apple tasks

[running] 102 Apple tasks

System Launch Daemons:

[not loaded] 37 Apple tasks

[loaded] 186 Apple tasks

[running] 106 Apple tasks

Launch Agents:

[not loaded] com.adobe.AAM.Updater-1.0.plist (Adobe Systems, Inc. - installed 2017-07-30) [Lookup]

[failed] com.adobe.ARMDCHelper.cc24aef4a1b90ed56a725c38014c95072f92651fb65e1bf9c8e43c37a2 3d420d.plist (Adobe Systems, Inc. - installed 2017-05-04) [Lookup]

[running] com.adobe.AdobeCreativeCloud.plist (Adobe Systems, Inc. - installed 2017-08-01) [Lookup]

[loaded] (? af44a5c4 72ac4dde - installed 2017-09-15) [Lookup]

Launch Daemons:

[loaded] com.adobe.ARMDC.Communicator.plist (Adobe Systems, Inc. - installed 2017-05-04) [Lookup]

[loaded] com.adobe.ARMDC.SMJobBlessHelper.plist (Adobe Systems, Inc. - installed 2017-05-04) [Lookup]

[running] com.adobe.adobeupdatedaemon.plist (Adobe Systems, Inc. - installed 2017-08-01) [Lookup]

[running] com.adobe.agsservice.plist (Adobe Systems, Inc. - installed 2017-09-20) [Lookup]

[loaded] com.adobe.fpsaud.plist (? 2afb3af7 564efddb - installed 2017-10-20) [Lookup]

[not loaded] (? 1963bf56 0 - installed 2017-09-15)

[loaded] (Apple, Inc. - installed 2017-10-25)

[loaded] (Shell Script e3fefdd2 - installed 2017-09-15) [Lookup]

User Launch Agents:

[loaded] com.adobe.AAM.Updater-1.0.plist (Adobe Systems, Inc. - installed 2017-07-30) [Lookup]

[loaded] com.dropbox.DropboxMacUpdate.agent.plist (Dropbox, Inc. - installed 2017-08-12) [Lookup]

User Login Items:

iTunesHelper Application (Apple, Inc. - installed 2017-10-31)


Dropbox Application


Internet Plug-ins:

AdobeAAMDetect: (installed 2017-08-01) [Lookup]

FlashPlayer-10.6: (installed 2017-10-26) [Lookup]

QuickTime Plugin: 7.7.3 (installed 2017-11-01)

AdobePDFViewerNPAPI: 17.012.20098 (installed 2017-09-04) [Lookup]

AdobePDFViewer: 17.012.20098 (installed 2017-09-04) [Lookup]

Flash Player: (installed 2017-10-26) [Lookup]

JavaAppletPlugin: Java 8 Update 144 build 01 (installed 2017-09-15) Check version

Safari Extensions:

[enabled] Adblock Plus - Eyeo GmbH - (installed 2017-05-08)

3rd Party Preference Panes:

Flash Player (installed 2017-10-20) [Lookup]

Java (installed 2017-07-22) [Lookup]

Time Machine:

Auto backup: YES

Volumes being backed up:

Macintosh HD: Disk size: 121.12 GB Disk used: 79.19 GB


Time Machine [Local]

Total size: 1.00 TB

Total number of backups: 58

Oldest backup: 5/8/17, 5:59 PM

Last backup: 11/10/17, 9:15 PM

Size of backup disk: Excellent

Backup size 1.00 TB > (Disk size 121.12 GB X 3)

Top Processes by CPU:

7% WindowServer

7% mdworker

6% mdworker

2% kernel_task

2% mds

Top Processes by Memory:

862 MB kernel_task

504 MB

355 MB Safari

219 MB

152 MB Dropbox

Top Processes by Network Use:

Input Output Process name

112 KB 188 KB Dropbox

32 KB 66 KB

89 KB 8 KB mDNSResponder

21 KB 26 KB apsd

7 KB 2 KB cloudd

Top Processes by Energy Use:

9.86 WindowServer

1.04 Adobe CEF Helper


0.72 Creative Cloud

Virtual Memory Information:

3.36 GB Available RAM

17 MB Free RAM

4.64 GB Used RAM

3.34 GB Cached files

0 B Swap Used

Software installs (last 30 days):

Adobe Flash Player: (installed 2017-10-16)

Adobe Flash Player: (installed 2017-10-26)

Install information may not be complete.

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Question marked as Solved

I actually did everything on the website below and saw a HUGE improvement !

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Question: Slow Safari after High Sierra Upgrade