OS X Yosemite 10.10.1 slow internet via wifi

I'm posting this in the hopes that Apple will fix soon. I have a 27inch iMac late 2012. All was fine with Mavericks. After upgrading to Yosemite my internet is slow via my wifi. Yosemite 10.10.1 did not improve anything. iPad and iPhone 6 maintain normal internet speeds with same wifi. I've tried various solutions that have been posted by others and recommended by Apple support. No improvement. When accessing a page on internet, Safari browser blue line in address field goes about 1/4 of the way across and then pauses...sometimes up to 10 seconds...before continuing and rendering the page. I do not lose wifi connection, as some people report, it's just much slower than it was with Mavericks. Apple, please fix ASAP!!

I have a new MacPro which was purchased with Mavericks and all ran very well. Shortly after "upgrade" to Yosemite my attempts to connect to the internet are as you described but with an ethernet connection. This is not just Safari but also Mail too.
All my other devices ( iPhone 4; iPad 2; old MacPro 1.1 and old macbook ,both with 10.7.5,) will connect to the internet as they should whilst the New MacPro just hangs. However my Macbook Pro which was also purchased with Mavericks and subsequently "upgraded" to Yosemite connects to the internet with no real problems via wifi. Both the New MacPro and Macbook Pro are running through the same network arrangement as are all the other devices mentioned.
I find that when the New MacPro is hanging that if I use my iPhone or iPad to connect to mail for example it seems to kick start the New MacPro and it soon after makes connection.
MacPro (late 2013) OSX10.10.1

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Slow internet via wifi

i'm posting again about the slow airport where the webpages start to load and pause for 10 seconds then continue to load VERY slowly.
i called apple, they said it's my card or the router. i brought it to the store and it worked fine, so i'm assuming it's my router.. but what is wrong with my router?
it works well with everyother computer in the house, even a powerbook.
why is it JUST my MBP that has insanely slow internet via wifi?
i have a netgear wgr614v3..
should i buy a new router just because my MBP doesn't work good with it?
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That is what I ended up doing. Though in my case it was not just my computer but my wifes Toshiba as well. They both have the Atheros based cards. I have seen reports regarding issues with the Atheros cards and certain D-Link, Linksys and Netgear routers though the one I had as a Belkin Pre-N.
The issue I had was in using the WPA security. It worked fine with WEP but had the symptoms you describe with WPA.
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Extremely slow internet via wifi

Hi there!
I bought some days ago a MacBook Air (the low end model, 1,6GHz) in the USA. Now, in Italy, I can connect it to my wifi, ADSL belkin modem+ wireless router 802.11.g, but the speed is prohibitively slow! Indeed, I measured it with a simple speedtest (Internetfrog) and it consistently gives me 16 kbps . At the same time, my other computer (Windows PC), measured with the same tool, has a speed of 1,14Mbps, as it used to have...
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I have had the same problem with my wireless lan connection of my brand new macbook.
The connection was terrrible slow.
For me it works, so perhaps this will work for you, too???
disconnect from your network by turning off AirPort or unplugging your ethernet cable.
trash the following folder (from the global /Library, not your own ~/Library in your home directory): /Library/Preferences/SystemConfiguration
if required: enter your admin password
restart your pc
turn on your Airport card and enter your network settings
I've found the solution in discussion for macbooks, so here is the original post:
http://discussions.apple.com/thread.jspa?threadID=1431668&tstart=0
So let me know, if it works for you....

Imac will not connect to Internet via wifi or Ethernet since upgrade.

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When you use the Airport utility what happens?
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http://www.apple.com/support/airport - there is a forum just for Airport Community
Airport Express FAQ
http://support.apple.com/kb/HT1515
Wi-Fi Setup Considerations
Things to consider before you begin
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When using Ethernet, Cat6 cable is recommended.
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AirPort Discussions
Discuss your AirPort Base Station, Time Capsule and Wi-Fi questions with fellow community members.
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Direct you to the proper forum for MacBook :
MacBook Series Forumshttps://discussions.apple.com/community/notebooks?view=discussions
Mac OS X Forums
https://discussions.apple.com/community/mac_os?view=discussions
http://www.apple.com/support/macbookpro

My MacBook Pro won't connect to the Internet via wifi but it worked fine on ethernet cord...I tried running diagnostic but it didn't work:(((( it happen every time if I restart the modem and/or router

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Hello Rattisate,
Sorry to hear you are not able to connect to Wi-Fi on your MacBook Pro. I would be concerned about this too. You can find information on how to troubleshoot this in the following article:
Troubleshooting Wi-Fi issues in OS X Lion and Mac OS X v10.6
http://support.apple.com/kb/HT4628
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diannef wrote:
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Thinkpad Laptop X4F -Will not connect to internet via wifi

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OS X Yosemite 10.10.1 slow internet via wifi

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