My download speed is VERY slow on my Mac

I saw on a previous question that it was suggested to run EtreCheck. I did, and here are the results. Can someone look for me, please? My download speed is crazy slow. My Dell downloads at 10.28 Mbps but my Mac only does 1.6 Mbps!

EtreCheck version: 3.4.5 (455)

Report generated 2017-09-29 11:21:39

Download EtreCheck from https://etrecheck.com

Runtime: 1:55

Performance: Excellent

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

Problem: Computer is too slow

Hardware Information: ⓘ

MacBook Pro (Retina, 13-inch, Mid 2014)

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

MacBook Pro - model: MacBookPro11,1

1 2.6 GHz Intel Core i5 (i5-4278U) CPU: 2-core

8 GB RAM Not upgradeable

BANK 0/DIMM0

4 GB DDR3 1600 MHz ok

BANK 1/DIMM0

4 GB DDR3 1600 MHz ok

Handoff/Airdrop2: supported

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

Battery: Health = Normal - Cycle count = 29

iCloud Quota: 125.36 GB available

Video Information: ⓘ

Intel Iris - VRAM: 1536 MB

Color LCD 2560 x 1600

Disk Information: ⓘ

APPLE SSD SM0256F disk0: (251 GB) (Solid State - TRIM: Yes)

[Show SMART report]

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

(disk0s2) <not mounted> [CoreStorage Container]: 250.14 GB

Recovery HD (disk0s3 - Journaled HFS+) <not mounted> [Recovery]: 650 MB

USB Information: ⓘ

USB30Bus

Apple Inc. Apple Internal Keyboard / Trackpad

Apple Inc. BRCM20702 Hub

Apple Inc. Bluetooth USB Host Controller

Logitech USB Receiver

USB2.0 Hub

Seagate FreeAgent

FreeAgent disk2: (1 TB)

EFI (disk2s1 - MS-DOS FAT32) <not mounted> [EFI]: 210 MB

FreeAgent Drive (disk2s2 - Case-sensitive Journaled HFS+) /Volumes/FreeAgent Drive : 999.86 GB (557.13 GB free)

Thunderbolt Information: ⓘ

Apple Inc. thunderbolt_bus

Virtual disks: ⓘ

Macintosh HD (disk1 - Journaled HFS+) / [Startup]: 249.80 GB (38.14 GB free)

Encrypted AES-XTS (Unlocked)

Physical disk: disk0s2 250.14 GB Online

System Software: ⓘ

macOS Sierra 10.12.6 (16G29) - Time since boot: about one day

Gatekeeper: ⓘ

Mac App Store and identified developers

System Launch Agents: ⓘ

[not loaded] 7 Apple tasks

[loaded] 170 Apple tasks

[running] 108 Apple tasks

System Launch Daemons: ⓘ

[not loaded] 40 Apple tasks

[loaded] 170 Apple tasks

[running] 108 Apple tasks

Launch Agents: ⓘ

[failed] com.adobe.ARMDCHelper.cc24aef4a1b90ed56a725c38014c95072f92651fb65e1bf9c8e43c37a2 3d420d.plist (Adobe Systems, Inc. - installed 2017-01-12) [Lookup]

[running] com.rosettastone.rosettastonedaemon.plist (Rosetta Stone Ltd. - installed 2015-02-14) [Lookup]

Launch Daemons: ⓘ

[loaded] com.adobe.ARMDC.Communicator.plist (Adobe Systems, Inc. - installed 2017-01-12) [Lookup]

[loaded] com.adobe.ARMDC.SMJobBlessHelper.plist (Adobe Systems, Inc. - installed 2017-01-12) [Lookup]

[loaded] com.adobe.fpsaud.plist (? 2afb3af7 4898e928 - installed 2017-08-29) [Lookup]

[not loaded] com.apple.installer.cleanupinstaller.plist (? ? ? - installed 2017-07-14)

User Launch Agents: ⓘ

[running] com.akamai.single-user-client.plist (? 773c9f1e f4f704a9 - installed 2017-09-25) [Lookup]

[loaded] com.google.keystone.agent.plist (Google, Inc. - installed 2017-07-10) [Lookup]

Internet Plug-ins: ⓘ

AdobePDFViewerNPAPI: 17.012.20098 (installed 2017-08-31) [Lookup]

FlashPlayer-10.6: 27.0.0.130 (installed 2017-09-12) [Lookup]

QuickTime Plugin: 7.7.3 (installed 2017-07-27)

AdobePDFViewer: 17.012.20098 (installed 2017-08-31) [Lookup]

Flash Player: 27.0.0.130 (installed 2017-09-12) [Lookup]

Silverlight: 5.1.40416.0 (installed 2015-06-16) [Lookup]

User internet Plug-ins: ⓘ

Picasa: 1.0 (installed 2015-02-13) [Lookup]

WebEx64: 1.1.0 (installed 2016-10-13) [Lookup]

Safari Extensions: ⓘ

[not loaded] Eladiolus - Eladio Gartman - http://www.yahoo.com (installed 2015-06-02)

3rd Party Preference Panes: ⓘ

Akamai NetSession Preferences (installed 2017-09-11) [Lookup]

Flash Player (installed 2017-08-29) [Lookup]

Time Machine: ⓘ

Auto backup: YES

Volumes being backed up:

Macintosh HD: Disk size: 249.80 GB Disk used: 211.66 GB

Destinations:

FreeAgent Drive [Local]

Total size: 999.86 GB

Total number of backups: 133

Oldest backup: 10/28/15, 3:21 PM

Last backup: 9/29/17, 11:10 AM

Size of backup disk: Excellent

Backup size 999.86 GB > (Disk size 249.80 GB X 3)

Top Processes by CPU: ⓘ

8% mdworker

8% mdworker

5% WindowServer

2% kernel_task

1% trustd

Top Processes by Memory: ⓘ

817 MB kernel_task

297 MB com.apple.WebKit.WebContent

232 MB WindowServer

228 MB mds_stores

200 MB Safari

Top Processes by Network Use: ⓘ

Input Output Process name

573 KB 166 KB mDNSResponder

346 KB 65 KB netbiosd

35 KB 86 KB apsd

4 KB 3 KB assistantd

2 KB 2 KB ntpd

Top Processes by Energy Use: ⓘ

7.90 WindowServer

0.86 hidd

0.82 launchd

0.64 netsession_mac

Virtual Memory Information: ⓘ

4.19 GB Available RAM

1.85 GB Free RAM

3.81 GB Used RAM

2.34 GB Cached files

0 B Swap Used

Software installs: ⓘ

Adobe Acrobat Reader DC (17.012.20098): (installed 2017-08-31)

Adobe Flash Player: (installed 2017-09-12)

Install information may not be complete.

Diagnostics Information: ⓘ

2017-09-26 13:30:38 backupd High CPU use [Open] [Details]