Slow safari download speeds

While safari loads web pages very quickly, it is extremely slow when downloading documents, installers, etc... onto my computer, downloading at speeds around 5 to 10 kb/second, causing even small downloads to take ages. (A 20mb download can take up to an hour or more).
(My downloads run at about 100 to 110 kb/second on my windows PC which is connected to the same router)
I have tried stopping and then resuming downloads, but that doesn't work. Also, there is clearly nothing wrong with my internet connection, as safari loads webpages remarkably fast.
Is there any software/changes that need to be added or is it an issue within safari?

Hi there Jeff,
The slow downloading speed and other performance issues with Safari may be related to unsupported third-party add-ons. Take a look at the article linked below and try to remove any outdated add-ons for Safari.
Unsupported third-party add-ons may cause Safari to unexpectedly quit or have performance issues - Apple Support
Cheers,
-Jason

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Q2: Is this likely to be caused by time-out? i.e. the website saying "Hey, this is taking too long. Get lost!"
Q3: Is it a problem in Safari? I'll answer that one – not likely, because Google Chrome does the same thing.
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Q4. Is it possible to stop all internet traffic except via Safari?
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same problems on my systems still as well. none of the "fixes" work for me at all.
i've had to switch from safari(3.0.3) to firefox because of this.
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HI Jason,
Try maintenance and see if it helps...
From the Safari Menu Bar, click Safari / Empty Cache. When you are done with that...
From the Safari Menu Bar, click Safari / Reset Safari. Select the top 5 buttons and click Reset.
If Safari unexpectedly quits, it could be a 3rd party plugins causing the problem. Go to ~/Library/Internet Plugins. Move any 3rd party plugins to the Trash and restart your Mac.
Also, if you are running Safari in 64 bit mode, try running in 32-bit mode instead. Right or control click the Safari icon in the Applications folder, then click: Get Info In the Get Info window click the black disclosure triangle next to General so it faces down. Select 32 bit mode. Quit Safari then relaunch.
While you have the Get Info window open for Safari, make sure it's not running in Rosetta.
http://www.opendns.com/start/
Go to ~/Library/Caches/com.apple.Safari/ Move the Cache.db file to the Trash and restart your Mac.
Carolyn

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Since updated to 10.9.5, my Mac Pro Internet download speed down to 7 Mbps,
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Mac Pro = Mid 2010
Processor 2.8 GHz Quad-Core Intel Xeon
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Even the 'respected' tools like Onyx, if you look at what (each and every update) states in the "what is new" and changes will be to improve compatibility.
Never use or install anything (and I include OS X updates in that category) without cloning your system and having TimeMachine that is current, and backup(s) that will be off line.
Some cannot be trashed or deleted or removed without using an "uninstall app" or the installer, doing so without can mean having to reinstall first.
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https://discussions.apple.com/thread/6522256
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for malware, check out this user tip (and his other pages too!)

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Whilst software (especially music!) is much better and (in the long run) cheaper when bought from licensed shops etc (if you are e.g. a student, you often get stuff at 1/2 - 1/10th of the price!), more to your question, download speeds can vary dramatically, depending on time of the day, firewalls and available feeds.
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Theone Coleman wrote:
So Virgin's internet service is in mega bits not Bytes? That would explain my conunrdum.
Thanks

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If a forum member gives an answer you like, give them the Kudos they deserve. If a member gives you the answer to your question, mark the answer as Accepted Solution so others can see the solution to the problem.

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hi nestharus,
Welcome to the Forums.
If you have the Atheros AR9485 Wireless Adapter, can you try this driver:
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Looking at forums today to see if this was reported and if there is a remedy. I share tino4342's problem and I live clear across the country in Snohomish, Washington. At a given spot in my home, my Galaxy Nexus 4.1.1 (locked) gets 2 mbps download speed while a Verizon iPhone 5 sitting next to my GN gets around 12 mbps, both tested using speedtest.net. In various other spots around town, the iPhone 5 download speed is at least 5 times faster than the Galaxy Nexus (both on Verizon).
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Slow BB download speed after 16:30. Works fine in ...

I'm at wits end with BT and the service I receive. I only wish I could choose to pay a 10th of the price for the service I receive. I have tried to use the BT call centre with no avail. The words “chasing ones tail” spring to mind. Hence adding my troubles to the already growing forum.
As the performance is there during the day, this doesn’t sound like a hardware problem, but something that BT is doing on their side when the demand gets high. I can fully understand a drop in download speed, but I think a 10th of the speed is over the top.
Please can someone help??
My Problem:
After 16:30 the BB service starts to move at dial-up speeds, but will work fine again after 02:00 am... Yes I am that sad that I have tried to work at that time.
I have run the BT speedtest and speedtest.net a number of times during the day to try to see what is happening:
I have also tried using the BT HH2 and my preferred router, a Netgear DGND3300. Here are some of the stats:
Router:
System Up Time25:15:30
Port
Status
TxPkts
RxPkts
Collisions
Tx B/s
Rx B/s
Up Time
WAN
PPPoE
1995701
4433099
0
2617
31588
15:58:31
LAN
10M/100M
1657313
426763
0
5400
888
25:15:26
WLAN
11M/54M/300M
0
0
0
0
0
25:14:55
ADSL Link
Downstream
Upstream
Connection Speed
4704 kbps
448 kbps
Line Attenuation
42.0 db
24.5 db
Noise Margin
7.9 db
23.0 db
BT Speed Test at 09:52
Download speedachieved during the test was - 3120 Kbps
For your connection, the acceptable range of speeds is 600-7150 Kbps.
Additional Information:
Your DSL Connection Rate :4704 Kbps(DOWN-STREAM), 448 Kbps(UP-STREAM)
IP Profile for your line is - 3500 Kbps
BT Speedtest at 11:45
Download speedachieved during the test was - 2714 Kbps
For your connection, the acceptable range of speeds is 600-7150 Kbps.
Additional Information:
Your DSL Connection Rate :4704 Kbps(DOWN-STREAM), 448 Kbps(UP-STREAM)
IP Profile for your line is - 3500 Kbps
BT Speedtest at 18:29
Download speedachieved during the test was - 368 Kbps
For your connection, the acceptable range of speeds is 600-7150 Kbps.
Additional Information:
Your DSL Connection Rate :4704 Kbps(DOWN-STREAM), 448 Kbps(UP-STREAM)
IP Profile for your line is - 3500 Kbps

Speedtest.net results
TEST_DATE
TIME_ZONE
DOWNLOAD_MEGABITS
UPLOAD_MEGABITS
LATENCY_MS
SERVER_NAME
01/03/2012 13:40
GMT
0.8
0.08
73
Liverpool
01/03/2012 14:09
GMT
2.1
0.17
90
Manchester
01/03/2012 14:14
GMT
1.8
0.18
65
Birmingham
01/03/2012 14:15
GMT
1.46
0.17
104
Milton Keynes
01/03/2012 14:46
GMT
0.85
0.2
115
Milton Keynes
01/09/2012 16:56
GMT
0.28
0.09
1073
Milton Keynes
01/09/2012 17:23
GMT
0.32
0.2
71
Milton Keynes
01/09/2012 17:43
GMT
0.88
0.37
140
Milton Keynes
01/09/2012 17:50
GMT
0.51
0.37
134
Milton Keynes
01/09/2012 20:46
GMT
0.53
0.24
182
Milton Keynes
01/09/2012 20:48
GMT
0.78
0.3
134
Milton Keynes
01/10/2012 15:18
GMT
3.61
0.24
202
Gloucester
01/10/2012 16:01
GMT
3.8
0.29
212
Gloucester
01/10/2012 16:32
GMT
1.94
0.24
58
Birmingham
01/10/2012 16:38
GMT
2.33
0.16
59
Birmingham
01/10/2012 16:48
GMT
0.34
0.21
264
Birmingham
01/10/2012 16:54
GMT
0.81
0.26
506
Birmingham
01/10/2012 16:55
GMT
1.17
0.24
52
Manchester
01/10/2012 17:24
GMT
0.15
0.14
575
Manchester
01/10/2012 17:26
GMT
0.63
0.19
78
Birmingham
01/10/2012 17:30
GMT
0.63
0.21
144
Birmingham
01/10/2012 17:37
GMT
0.26
0.03
394
Birmingham
01/10/2012 17:51
GMT
0.51
0.17
259
Birmingham
01/10/2012 19:09
GMT
0.28
0.13
603
Birmingham
01/10/2012 19:10
GMT
0.5
0.22
67
Birmingham

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