Opening tabs in Safari becomes extremely slow

I have noticed that after having Safari open (in the background, not always being actively used) for a while that it will eventually become very slow at opening new tabs. I use iStat menus, and when Safari becomes slow, it will max out the CPU when opening a new tab, but once it opens it goes back to minimal CPU usage. When I quit and reopen Safari, it goes back to normal. I do have Safari set to open Top Sites when I open a new tab.
Any thoughts as to why this occurs?
Thanks
Ian

Hi prusi;
When your disk gets close to full that can cause two problems; slow performance and file corruption on your disk.
First I would suggest you delete enough files so that when it get low it remains above at the very least 10 GB, 15 GB would be better. Good candidate for deletion are music, photo or video files just because they take up so much space. A good tool to help you with this is OmniDiskSweeper.
Second that you boot from the install DVD for your Mac and repair the disk. If you don't repair the disk and leave the corruption there, it can lead to some very strange problems in the future.
Allan

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Power off the router. Wait awhile. Power it back on. Wait until all the lights are lit up properly.
It will take a while.
Restart the computer.
Reset Safari.
Click Safari in the menu bar.
From the drop down select "Reset Safari".
Uncheck the boxes beside all items.
Just check the box beside “Remove all website data”.
Click "Reset".
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Click Develop and select "Empty Caches" from the dropdown.
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Mac book pro safari running extremely slow

Not sure what to do. Was working fine yesterday and now today it's slow or not working. Google chrome is running just fine. Thank you in advance! Need help!
Problem description:
Safari running extremely slow and sometimes not at all
EtreCheck version: 2.1.6 (109)
Report generated January 24, 2015 at 7:25:16 AM MST
Download EtreCheck from http://etresoft.com/etrecheck
Click the [Support] links for help with non-Apple products.
Click the [Details] links for more information about that line.
Click the [Adware] links for help removing adware.
Hardware Information: ℹ️
MacBook Pro (Retina, Mid 2012) (Verified)
MacBook Pro - model: MacBookPro10,1
1 2.3 GHz Intel Core i7 CPU: 4-core
8 GB RAM Not upgradeable
BANK 0/DIMM0
4 GB DDR3 1600 MHz ok
BANK 1/DIMM0
4 GB DDR3 1600 MHz ok
Bluetooth: Good - Handoff/Airdrop2 supported
Wireless: en0: 802.11 a/b/g/n
Battery Health: Normal - Cycle count 336
Video Information: ℹ️
Intel HD Graphics 4000
Color LCD spdisplays_2880x1800Retina
NVIDIA GeForce GT 650M - VRAM: 1024 MB
System Software: ℹ️
OS X 10.10.1 (14B25) - Time since boot: 0:43:2
Disk Information: ℹ️
APPLE SSD SM256E disk0 : (251 GB)
EFI (disk0s1) <not mounted> : 210 MB
Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
Macintosh HD (disk1) / [Startup]: 249.78 GB (11.71 GB free) (Low!)
Encrypted AES-XTS Unlocked
Core Storage: disk0s2 250.14 GB Online
USB Information: ℹ️
Apple Inc. FaceTime HD Camera (Built-in)
Apple Inc. Apple Internal Keyboard / Trackpad
Apple Inc. BRCM20702 Hub
Apple Inc. Bluetooth USB Host Controller
Thunderbolt Information: ℹ️
Apple Inc. thunderbolt_bus
Gatekeeper: ℹ️
Mac App Store and identified developers
Adware: ℹ️
Geneio [Remove]
Launch Agents: ℹ️
[loaded] com.oracle.java.Java-Updater.plist [Support]
Launch Daemons: ℹ️
[loaded] com.adobe.fpsaud.plist [Support]
[loaded] com.microsoft.office.licensing.helper.plist [Support]
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[loaded] com.citrixonline.GoToMeeting.G2MUpdate.plist [Support]
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Google Drive Application (/Applications/Google Drive.app)
Google Chrome Application Hidden (/Applications/Google Chrome.app)
Internet Plug-ins: ℹ️
FlashPlayer-10.6: Version: 16.0.0.287 - SDK 10.6 [Support]
QuickTime Plugin: Version: 7.7.3
Flash Player: Version: 16.0.0.287 - SDK 10.6 Cannot contact Adobe
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Java [Support]
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241 MB WindowServer
206 MB Safari
206 MB Google Chrome Helper
172 MB spindump
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1.22 GB Wired RAM
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Jan 24, 2015, 07:20:12 AM /Library/Logs/DiagnosticReports/nsurlstoraged_2015-01-24-072012_[redacted].cpu_ resource.diag [Details]
Jan 24, 2015, 06:42:49 AM Self test - passed
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Please answer as many of the following questions as you can. You may already have answered some of them. In that case, there's no need to repeat the answers.
Back up all data before making any changes.
Have you restarted your router and your broadband device (if they're separate) since you first noticed the problem? If not, do that now and see whether there's any change.
If your browser is Safari, then from the Safari menu bar, select
          Safari ▹ Preferences... ▹ Privacy ▹ Remove All Website Data
and confirm. If the Downloads button (with the icon of a downward-pointing arrow) is showing in the toolbar, click it and then click Clear in the box that appears. The download history will be removed. Any change?
If you're running OS X 10.9 or later, select the Advanced tab in the Preferences window and uncheck the box marked
          Stop plug-ins to save power
Any change?
Quit and relaunch the browser. Any change?
Enable guest logins* and log in as Guest. Don't use the Safari-only “Guest User” login created by “Find My Mac.”
While logged in as Guest, you won’t have access to any of your documents or settings. Applications will behave as if you were running them for the first time. Don’t be alarmed by this behavior; it’s normal. If you need any passwords or other personal data in order to complete the test, memorize, print, or write them down before you begin.
Test while logged in as Guest. Same problem?
After testing, log out of the guest account and, in your own account, disable it if you wish. Any files you created in the guest account will be deleted automatically when you log out of it.
*Note: If you’ve activated “Find My Mac” or FileVault, then you can’t enable the Guest account. The “Guest User” login created by “Find My Mac” is not the same. Create a new account in which to test, and delete it, including its home folder, after testing.
Are any other web browsers installed, and are they the same? What about other Internet applications, such as iTunes and the App Store?
If other browsers and Internet applications are also affected, follow these instructions and test. Any change?
If Parental Controls is active for any user, please turn it off and test. Any change?
If only Safari is affected, launch the Activity Monitor application and enter "web" (without the quotes) in the search box. If a process named "Safari Web Content" is shown in red or is using more than about 5% of a CPU, select it and force it to quit by clicking the X or Quit Process button in the toolbar of the window. There may be more than one such process. Any improvement?
Follow the instructions in this support article. Any change?
Open the iCloud preference pane and uncheck the box marked Photos, if it's checked. Any change?
Are there any other devices on the same network that can browse the Web, and are they affected?
If you can test Safari on another network, is it the same there?
If you connect to your router with Wi-Fi and you can also connect with Ethernet, do that and turn off Wi-Fi. Any difference?

How to enhance the speed of my MacBook Pro. It has become extremely slow!

My MacBook Pro (2011 early edition) has become extremely slow. What needs to be done to enhance its speed!

Things You Can Do To Keep Your Computer From Slowing Down
If your computer seems to be running slower here are some things you can do:
Boot into Safe Mode then repair your hard drive and permissions:
Repair the Hard Drive and Permissions Pre-Lion
Boot from your OS X Installer disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Utilities menu. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer.
If DU reports errors it cannot fix, then you will need Disk Warrior and/or Tech Tool Pro to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.
Repair the Hard Drive - Lion
Boot from your Lion Recovery HD. When the recovery menu appears select Disk Utility. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported, then click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the main menu. Select Restart from the Apple menu.
Boot to the Recovery HD:
Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
Restart your computer normally and see if this has helped any. Next do some maintenance:
Suggestions for OS X Maintenance
For situations Disk Utility cannot handle the best third-party utility is Disk Warrior; DW only fixes problems with the disk directory, but most disk problems are caused by directory corruption; Disk Warrior 4.x is now Intel Mac compatible.
OS X performs certain maintenance functions that are scheduled to occur on a daily, weekly, or monthly period. The maintenance scripts run in the early AM only if the computer is turned on 24/7 (no sleep.) If this isn't the case, then an excellent solution is to download and install a shareware utility such as Macaroni, JAW PseudoAnacron, or Anacron that will automate the maintenance activity regardless of whether the computer is turned off or asleep. Dependence upon third-party utilities to run the periodic maintenance scripts was significantly reduced since Tiger. These utilities have limited or no functionality with Snow Leopard or Lion and should not be installed.
OS X automatically defragments files less than 20 MBs in size, so unless you have a disk full of very large files there's little need for defragmenting the hard drive. As for virus protection there are few if any such animals affecting OS X. You can protect the computer easily using the freeware Open Source virus protection software ClamXAV. Personally I would avoid most commercial anti-virus software because of their potential for causing problems. For more about malware see Macintosh Virus Guide.
I would also recommend downloading a utility such as TinkerTool System, OnyX 2.4.3, or Cocktail 5.1.1 that you can use for periodic maintenance such as removing old log files and archives, clearing caches, etc.
For emergency repairs install the freeware utility Applejack. If you cannot start up in OS X, you may be able to start in single-user mode from which you can run Applejack to do a whole set of repair and maintenance routines from the command line. Note that AppleJack 1.5 is required for Leopard. AppleJack 1.6 is compatible with Snow Leopard. There is no confirmation that this version also works with Lion.
When you install any new system software or updates be sure to repair the hard drive and permissions beforehand.
Get an external Firewire drive at least equal in size to the internal hard drive and make (and maintain) a bootable clone/backup. You can make a bootable clone using the Restore option of Disk Utility. You can also make and maintain clones with good backup software. My personal recommendations are (order is not significant):
Carbon Copy Cloner
Data Backup
Deja Vu
SuperDuper!
SyncTwoFolders
Synk Pro
Synk Standard
Tri-Backup
Visit The XLab FAQs and read the FAQs on maintenance, optimization, virus protection, and backup and restore.
Additional suggestions will be found in Mac maintenance Quick Assist.
Referenced software can be found at CNet Downloads or MacUpdate.
Additional Hints
Be sure you have an adequate amount of RAM installed for the number of applications you run concurrently. Be sure you leave a minimum of 10% of the hard drive's capacity as free space.
Add more RAM. If your computer has less than 2 GBs of RAM and you are using OS X Leopard or later, then you can do with more RAM. Snow Leopard and Lion work much better with 4 GBs of RAM than their system minimums. The more concurrent applications you tend to use the more RAM you should have.
Always maintain at least 15 GBs or 10% of your hard drive's capacity as free space, whichever is greater. OS X is frequently accessing your hard drive, so providing adequate free space will keep things from slowing down.
Check for applications that may be hogging the CPU:
Open Activity Monitor in the Utilities folder. Select All Processes from the Processes dropdown menu. Click twice on the CPU% column header to display in descending order. If you find a process using a large amount of CPU time, then select the process and click on the Quit icon in the toolbar. Click on the Force Quit button to kill the process. See if that helps. Be sure to note the name of the runaway process so you can track down the cause of the problem.
Often this problem occurs because of a corrupted cache or preferences file or an attempt to write to a corrupted log file.

My imac has become extremely slow

Hi, I have a 4 year old 27 inch imac, running 10.10.3; it has become extremely slow to boot up, to open apps and to get online. I'm a fairly heavy user of dropbox, and I am wondering if that is the issue -- other than that I run very run of the mill apps -- itunes, word/ppt/excel/, ical, imessage, firefox and safari, adobi acrobat, some use of iphoto. Suggestions?

Hi Old Toad -- this is what I got on Etrecheck:
Problem description:
iMac is running very slow, especially when opening apps, and esp. when opening browsers. (And within browser — e.g., gmail v. slow).
EtreCheck version: 2.2 (132)
Report generated 4/27/15, 8:34 AM
Download EtreCheck from http://etresoft.com/etrecheck
Click the [Click for support] links for help with non-Apple products.
Click the [Click for details] links for more information about that line.
Hardware Information: ℹ️
    iMac (27-inch, Mid 2010) (Technical Specifications)
    iMac - model: iMac11,3
    1 3.2 GHz Intel Core i3 CPU: 2-core
    4 GB RAM Upgradeable
        BANK 0/DIMM0
            2 GB DDR3 1333 MHz ok
        BANK 1/DIMM0
            2 GB DDR3 1333 MHz ok
        BANK 0/DIMM1
            Empty
        BANK 1/DIMM1
            Empty
    Bluetooth: Old - Handoff/Airdrop2 not supported
    Wireless: en1: 802.11 a/b/g/n
Video Information: ℹ️
    ATI Radeon HD 5670 - VRAM: 512 MB
        iMac 2560 x 1440
System Software: ℹ️
    OS X 10.10.3 (14D136) - Time since boot: 16:45:28
Disk Information: ℹ️
    WDC WD1001FALS-40Y6A0 disk0 : (1 TB)
        EFI (disk0s1) <not mounted> : 210 MB
        home (disk0s2) / : 999.35 GB (722.04 GB free)
        Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
    HL-DT-STDVDRW GA32N
USB Information: ℹ️
    Canon Inc. MF4320-4350
    Apple Computer, Inc. IR Receiver
    Apple Inc. Built-in iSight
    Apple Internal Memory Card Reader
    Apple Inc. BRCM2046 Hub
        Apple Inc. Bluetooth USB Host Controller
Gatekeeper: ℹ️
    Mac App Store and identified developers
Kernel Extensions: ℹ️
        /System/Library/Extensions
    [not loaded]    com.canon.cups.fax.print.kext.usbprintclass (4.2.0 - SDK 10.8) [Click for support]
Launch Agents: ℹ️
    [not loaded]    com.adobe.AAM.Updater-1.0.plist [Click for support]
    [running]    jp.co.canon.CUPSCMFP.BG.plist [Click for support]
    [running]    jp.co.canon.ScanGearMF.appl.Canon-MF-Scan-Agent.plist [Click for support]
    [running]    jp.co.canon.UFR2.BG.plist [Click for support]
Launch Daemons: ℹ️
    [loaded]    com.adobe.fpsaud.plist [Click for support]
    [not loaded]    com.adobe.SwitchBoard.plist [Click for support]
    [loaded]    com.microsoft.office.licensing.helper.plist [Click for support]
User Launch Agents: ℹ️
    [loaded]    com.adobe.ARM.[...].plist [Click for support]
    [loaded]    com.citrixonline.GoToMeeting.G2MUpdate.plist [Click for support]
    [loaded]    com.google.keystone.agent.plist [Click for support]
User Login Items: ℹ️
    iTunesHelper    Application Hidden (/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)
    Dropbox    Application Hidden (/Applications/Dropbox.app)
Internet Plug-ins: ℹ️
    JavaAppletPlugin: Version: 15.0.0 - SDK 10.10 Check version
    FlashPlayer-10.6: Version: 17.0.0.169 - SDK 10.6 [Click for support]
    Default Browser: Version: 600 - SDK 10.10
    AdobePDFViewerNPAPI: Version: 11.0.07 - SDK 10.6 [Click for support]
    AdobePDFViewer: Version: 11.0.07 - SDK 10.6 [Click for support]
    Flash Player: Version: 17.0.0.169 - SDK 10.6 [Click for support]
    QuickTime Plugin: Version: 7.7.3
    OfficeLiveBrowserPlugin: Version: 12.3.6 [Click for support]
    SharePointBrowserPlugin: Version: 14.4.9 - SDK 10.6 [Click for support]
    iPhotoPhotocast: Version: 7.0
User internet Plug-ins: ℹ️
    CitrixOnlineWebDeploymentPlugin: Version: 1.0.105 [Click for support]
    WebEx64: Version: 1.0 - SDK 10.6 [Click for support]
3rd Party Preference Panes: ℹ️
    Flash Player [Click for support]
Time Machine: ℹ️
    Auto backup: YES
    Volumes being backed up:
        home: Disk size: 999.35 GB Disk used: 277.31 GB
    Destinations:
        G-DRIVE [Local]
        Total size: 2.00 TB
        Total number of backups: 1
        Oldest backup: 2014-01-16 18:59:44 +0000
        Last backup: 2014-01-16 18:59:44 +0000
        Size of backup disk: Adequate
            Backup size 2.00 TB > (Disk used 277.31 GB X 3)
        LaCie [Local]
        Total size: 2.43 TB
        Total number of backups: 7
        Oldest backup: 2014-04-07 20:32:08 +0000
        Last backup: 2015-03-21 20:31:15 +0000
        Size of backup disk: Adequate
            Backup size 2.43 TB > (Disk used 277.31 GB X 3)
Top Processes by CPU: ℹ️
         4%    Google Chrome Helper(5)
         1%    fontd
         0%    taskgated
         0%    Google Chrome
         0%    Canon CMFP BackGrounder
Top Processes by Memory: ℹ️
    578 MB    Google Chrome Helper(5)
    374 MB    kernel_task
    139 MB    Google Chrome
    115 MB    mdworker(9)
    78 MB    Finder
Virtual Memory Information: ℹ️
    1.15 GB    Free RAM
    2.85 GB    Used RAM
    0 B    Swap Used
Diagnostics Information: ℹ️
    Apr 26, 2015, 03:42:19 PM    Self test - passed
    Apr 24, 2015, 05:15:42 PM    /Users/[redacted]/Library/Logs/DiagnosticReports/QuickLookSatellite_2015-04-24- 171542_[redacted].crash
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    Apr 24, 2015, 05:13:52 PM    /Users/[redacted]/Library/Logs/DiagnosticReports/QuickLookSatellite_2015-04-24- 171352_[redacted].crash
    Apr 24, 2015, 05:13:51 PM    /Users/[redacted]/Library/Logs/DiagnosticReports/QuickLookSatellite_2015-04-24- 171351_[redacted].crash
    Apr 24, 2015, 05:09:05 PM    /Users/[redacted]/Library/Logs/DiagnosticReports/QuickLookSatellite_2015-04-24- 170905_[redacted].crash
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My external HD of 1TB is not being recognized by the iMac and when after a long waiting period it does, the whole computer becomes extremely slow. Do I need any particular add-on to make it workable?

My external HD of 1TB is not being recognized by the iMac and when after a long waiting period it does, the whole computer becomes extremely slow. Do I need any particular add-on to make it workable?
Before I updated to OS X Mavericks I was using another external disk that was getting disconnected ocasionally so I bought a new ADATA HD710 portable 1TB Drive and moved the files to it. This new drive which is supposed to be OS X Mavericks compatible takes minutes to show the files especially when opening second and third level folders which has made mu iMac unusable
What should I do?

Your Mac should be able to recognize many different types of drives (including Windows-formatted drives) immediately for Reading, provided they are in good working condition and not damaged. There should be no need to transfer to a different type of drive.
If there is no recognition of this drive, see if it can be seen in Disk Utility.
If your aim is to transfer the data on it DO NOT use ERASE or PARTITION as these will completely erase all the information on the Drive.
If the drive is present while the Mac sleeps, it is likely to drop out and not be seen any longer, especially if it is a USB-powered drive.

My Macbook Air has suddenly become extremely slow and is always crashing?

Hi, I would really appriciate some help right now.
I have had my Macbook Air for a little more than 2 years. It has always worked pretty well. However, recently I went on vacation for 1 week without my laptop. When I returned home and went to turn on my computer, I noticed that it had become extremely slow. Firstly, turning on my computer has become an abnormally long process. It used to take about 2-3 minutes to turn on. Now, it takes a solid 10 minutes. Not only this, but once my computer has finally turned in, it usually takes another 10 minutes before I can open an internet browser. When I click on the browser (I used Google Chrome) no window will pop up, and after a few more clicks, my screen will freeze completely. Sometimes I will get the rainbow wheel and sometimes the screen just completely freezes without it. Sometimes I will try closing the lid of my computer and then reopening it, but when I do this, the screen stays black for a long period of time even after I have reopened it, almost as if the computer is off. After an excessive amount of key smashing and an abnormally large amount of time, the screen will finally stop being in sleep mode and show my desktop. Even then, my computer will still barely work. Once I finally get a window open and start using the internet, google chrome will end up crashing within at least 20 minutes. The entire screen will freeze, I won't be able to scroll down or exit out of the window, and I then usually have to repeat the painful process that I described above when I attempt to open my broswer.
It has been over a week since I returned from vacation, and I deal with these issues every time. My computer has always been fine in the past, why is this suddenly happening?
I have tried to remove some of my applications my going into Finder and highlighting the application and clicking Move to Trash, and then emptying the trash. This hasn't helped at all. Do you think that it would help to delete some of my files and data (pictures, documents, screenshots, downloads, ect) or is this irrevevant?
I would really appricate some help! I am really sick of having to deal with this. I have no idea what is going on or how to fix it, or why this has suddenly happened after a week of being away from my computer.
Thank you so much. If you need any more detail or have any more questions, please ask.

It's likely that the internal drive is failing, or you have some other hardware fault. Make a "Genius" appointment at an Apple Store to have the machine tested.
Back up all data on the internal drive(s) before you hand over your computer to anyone. If privacy is a concern, erase the data partition(s) with the option to write zeros (do this only if you have at least two complete, independent backups, and you know how to restore to bare metal from any of them.) Don’t erase the Lion recovery partition, if present.

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Message was edited by: Thomas Sjöholm

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