My iMac is slow accessing web sites.

My iMac is slow accessing different web sites. I also have a PC that doesn't seem to have the same problem. Any suggestions. All other programs on the computer run fine. This has only started about a month ago. Any suggestions?

If Safari is getting very slow:
(Presumably you regularly empty your Safari cache by deleting the following file:
Home/Library/Caches/com.apple.Safari/cache.db
and clear your History)
Adding Open DNS codes to your Network Preferences, should give good results in terms of speed-up as well as added security, including anti-phishing and redirects) (Full information about Open DNS is here: http://www.opendns.com/home/nobloat )
If you are using a single computer: Open System Preferences/Network. Double click on your connection type, or select it in the drop-down menu, and in the box marked 'DNS Servers' add the following two numbers:
208.67.222.222
208.67.220.220
(You can also enter them if you click on Advanced and then DNS)
Sometimes reversing the order of the DNS numbers can be beneficial in cases where there is a long delay before web pages start to load, and then suddenly load at normal speed:
http://support.apple.com/kb/TS2296
If your computer is part of a network:please refer to this page: http://www.opendns.com/start/best_practices/#your_network and follow the advice given.
If you use a Router, make sure it has the latest firmware installed.
One reason for a slowness in page loading may be the 'DNS Pre-fetching' feature of Safari 5.x as is described here:
http://support.apple.com/kb/TS3408?viewlocale=en_US
You can cancel DNS pre-fetching by going to Terminal and typing:
defaults write com.apple.safari WebKitDNSPrefetchingEnabled -boolean false
You have to restart Safari for it to take effect.
If Safari seems to hang for ages:
If you have a lot of tabs open and/or a lot of pages running Flash, Safari can sometimes 'hang', requiring a restart of Safari. This can often be inconvenient, and as it is rarely Safari itself that is hanging but merely one of its plug-ins, usually Flash, there is a way using Terminal to restart the plug-ins (without restarting Safari and losing your tabs) by quitting the WebPluginHost process:
Open the Terminal from the Utilities folder in /Applications and type
killall -9 WebKitPluginHost
Note that this command kills all Safari plug-ins, not just Flash. All plug-ins should start back up when you reload the page.
Then go back to Safari and refresh any pages that were using the Flash plug-in. This also fixes the Beachball of Death. Try this whenever Safari gets slow or freezes. The latest versions of Flash 10.1 appear to have improved the situation somewhat, but haven't completed eliminated it.
For this and other reasons Apple switched their websites to HTML5 in January 2011:
http://www.appleinsider.com/articles/11/01/26/apple_revamps_its_public_website_u sing_html5.html

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Hi everyone,
I have my web site (and some other services) hosted outside of my network by my hosting provider, but handle all other items using OS X Server on my network (i.e. Wiki and so forth).
The problem is now that I am unable to access my website at www.mydomain.com from within the network. I have external DNS set up for www.mydomain.com to point to my website, while mydomain.com points to my OS X Server (static IP address). Internally in OS X Server's DNS settings this used to work when I had www.mydomain.com resolving to the IP address of my web host, in addition to the default domain settings that OS X had set up. For some reason this is no longer working, and I am unable to figure out why.
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Justin
Verizon FiOS TV, Internet, and phone
IMG 1.6.2, Build 08.58
Keller, TX 76248

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http://jsfiddle.net/xFtQR/
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http://answers.microsoft.com/en-us/ie/forum/ie10-windows_7/ie10-script5-access-is-denied/e87bdb30-7f2a-4510-bfa3-a22b995f777b
http://community.spiceworks.com/topic/357825-ie10-script5-access-is-denied
https://github.com/meteor/meteor/issues/1291
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With some excellent detective work by Microsoft Product Support (thanks Siddarth!), the solution has been found.
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Unable to access web sites

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I tried other web browsers like Safari, downloaded Firefox again, deleted cookies and caches and downloaded Opera with no luck. I can access all my other web sites and bookmarks through any of these browsers. There have been no crashes or major events.
We are in Tajikistan now (Central Asia) with the nearest Apple Store several countries away! We use a dial-up modem but have had great internet success--especially with my iBook--since September. We leave for home in a couple weeks but would like to clear this up now since I use the internet often.
The odd thing is that we live in Williamstown, Massachusetts, and the two web sites I can't access both start with "Williams". You don't think it's some sort of cryptic message that they don't want me back, do you? Or have I been in Central Asia too long?
Thanks, Kathryn

Hello Kathryn & Welcome to Apple Discussions!!
Could you paste the links here of the sites you can not access, so we can try them?
The odd thing is that we live in Williamstown, Massachusetts, and the two web sites I can't access both start with "Williams". You don't think it's some sort of cryptic message that they don't want me back, do you?
mmh, no I don't think so ; )
Message was edited by: Eme

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I have created Windows Server 2012R2 VM and after creating VM I have installed IIS and hosted my site and found it is working fine inside the VM.
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Can you help me why http end point is not working?
Then I have crated VM with template and there I have defined HTTP endpoint before creating VM.
Finally I found that if I create end point before creating VM then it works fine and if I create endpoint after creating VM then it doesn’t work.
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Hasibul Haque,MCC2011,MCPD hasibulhaque.com

Hi,
You can check the port you bind for the website in IIS and make sure you have created endpoint with the correct port. You can also install Telnet client on your local computer and run "telnet xxx.cloudapp.net public_port_in_endpoint" at the command
prompt to see it works.
Have you enable SSL on the website hosted on Azure VM? If yes, please also create an endpoint with port 443 and open that port in Windows Firewall on the VM.
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Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Subscriber Support, contact [email protected]

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Firefox automatically updates to the latest version which is now version 32. I get the following error message: "Firefox can't find the server at us.data.toolbar.yahoo.com" Preceded by "Sever Not Found" This happens on any web site I try to access. Reloading version 31 Firefox works fine, but then it will update itself again.
Windows 8.1 is my operating system.

The latest Release is Firefox '''31.0''' as the only way you would get updated to the current Beta build which is Firefox 32.0'''b2''' (b2 = Beta 2 as there can be say six to twelve Betas) build is if you were on the Beta channel due to having installed a Beta build and continued using it since. If the Firefox 31.0 you installed is updating to 32.0b2 then the 31.0 you installed was a Beta build (make sure the file name did not have say 31.0'''b'''# as there were nine Betas) and not the Firefox '''31.0''' Release say from mozilla.org or https://www.mozilla.org/en-US/firefox/all/
The typical reason for a new version (on Windows) not being able to connect after a new major version Firefox update or install is usually due to a software Firewall blocking the new .exe yet it may stll have the previous version allowed.
*https://support.mozilla.org/en-US/kb/firefox-cant-load-websites-other-browsers-can
*https://support.mozilla.org/en-US/kb/configure-firewalls-so-firefox-can-access-internet

Can't access web site

I am trying to access a web site that I normally have no problems accessing. Now Safari tells me:
Safari can't find the server
Safari can’t open the page “http://www.xxxx.edu/” because Safari can’t find the server “www.xxxx.edu”.
We are using an apple time capsule and no device on the wireless network can open the above web site. We asked a friend to log on and they had no problem accessing the web site.

Hi,
Check Network pane in System Preferences. Select the Proxies tab.
If there are any boxes selected on the left, deselect then quit Safari. (Command + Q)
You can also access that information from System Preferences - Advanced. Click the *Change Settings* button.
Relaunch Safari.
Carolyn

Safari Mac can't access web site that Windows can

None of my Macs can access the site http://cards.123greetings.com . I get Can't Find Server messages in both Safari and Firefox. (Clearing caches doesn't help)
cards.123greetings.com is part of a large free card site that did a major upgrade in October. It still renders correctly on a PC running Windows XP Home which runs on the same network as the Macs, so it's not an isp problem.
Since both Macs (G4 iBook running 10.3, MacBook running 10.4) have the same Can't Find Server problem with both Safari and Firefox, it appears that some setting in the Macs themselves is causing this.
Any help or insight would really be appreciated - Thanks!

A big Thank You to Mulder for letting me know that you can access the site (with Mac Safari I presume) - That's good news.
The bad news: I still can't access the site.
The problem affects two separate computers and four browers. Taking your advice, I repaired permissions and logged in as a new account on both machines. Unfortunately that didn't work.
I next tried accessing the site on the MacBook through Parallels running Windows XP Home. The site came up fine using Internet Explorer.
Then I realized that Parallels operates with a different ip address. So I went back on the Mac using a proxy, and the site came right up.
It now seems that the ip addresses of both computers are being blocked at some level. I want to thank Mulder for replying and virtually ruling out that it might be a Safari issue. I'm now "off topic" and will no longer post in this section. But I'm also over my head... If anyone has advice about how to proceed now, I'd truly appreciate it.
Thanks!

Having trouble accessing web sites

Since the last Security and Mac OS X Snow Leopard point update, I've had trouble accessing using websites. I've tried Safari, Firefox and Chrome and they all are broken in some way. This is happening across all my Macs. Using Safari at the weather.com site, I can't get the maps to load after 4:00--it just quits or keeps trying to load, With Firefox or Chrome I get the actual window under a window that says It can't find the page requested--see image below, nor will it load maps. With Netflix, I am unable to view artwork or display content summaries for video selection, I have a similar exoerience with Hulu--some graphic elements in the header aren't displayed. I've repaired permissions with no change. Anyone know what's up? Any help is appreciated.

Report it to apple
Open safari and get onto the site. Click "Safari" > Report bugs to apple

My iMac is slow accessing web sites.

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