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Safari extremely slow after 11.4 update.

How to fix DNS issues in Safari after 11.4 update.

iMac 21.5″ 4K, macOS 11.4

Posted on Jul 7, 2021 1:44 PM

Reply
Question marked as Top-ranking reply

Posted on Jul 7, 2021 3:14 PM

How to:

https://support.apple.com/guide/mac-help/specify-a-dns-server-on-mac-mchlp2720/mac


Safari slow?

Go step by step and test.

1. Quit Safari, launch Safari holding the Shift key down.

    https://support.apple.com/en-us/HT203987


2. Startup in Safe Mode. https://support.apple.com/guide/mac-help/start-up-your-mac-in-safe-mode-mh21245/mac.  

    Quote:

    It also does a basic check of your startup disk, similar to using First Aid in Disk Utility

    And it deletes some system caches, including font caches and 

    the kernel cache, which are automatically created again as needed


3. Clear History

    https://support.apple.com/guide/safari/clear-your-browsing-history-sfri47acf5d6/mac

    Please read the article before clearing history, 

    this is like a low level resetting of Safari without affecting passwords and bookmarks.


4. If Safari doesn't open a webpage or isn’t working as expected

    https://support.apple.com/en-us/HT204098

1 reply
Question marked as Top-ranking reply

Jul 7, 2021 3:14 PM in response to Tlctim

How to:

https://support.apple.com/guide/mac-help/specify-a-dns-server-on-mac-mchlp2720/mac


Safari slow?

Go step by step and test.

1. Quit Safari, launch Safari holding the Shift key down.

    https://support.apple.com/en-us/HT203987


2. Startup in Safe Mode. https://support.apple.com/guide/mac-help/start-up-your-mac-in-safe-mode-mh21245/mac.  

    Quote:

    It also does a basic check of your startup disk, similar to using First Aid in Disk Utility

    And it deletes some system caches, including font caches and 

    the kernel cache, which are automatically created again as needed


3. Clear History

    https://support.apple.com/guide/safari/clear-your-browsing-history-sfri47acf5d6/mac

    Please read the article before clearing history, 

    this is like a low level resetting of Safari without affecting passwords and bookmarks.


4. If Safari doesn't open a webpage or isn’t working as expected

    https://support.apple.com/en-us/HT204098

Safari extremely slow after 11.4 update.

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