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This webpage is using significant energy. Closing it may improve the responsiveness of your Mac? WHAT!


Hey There I went on Twitter theres a strange problem it says This webpage is using significant energy. Closing it may improve the responsiveness of your Mac? THAT DOESNT MAKE ANY SENSE! So Thanks! how to delete the Cookies! and History Thanks!

iMac 27″, macOS 10.13

Posted on Mar 11, 2021 11:15 AM

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Question marked as Top-ranking reply

Posted on Mar 11, 2021 1:00 PM

A user cannot do much about this other than what the alert requests.

If the Macbook is on battery, this will have an effect.


Clear all website data

https://support.apple.com/guide/safari/manage-cookies-and-website-data-sfri11471/mac


Enable Develop menu, click Develop in the menu bar  and  then Empty Caches from the dropdown.

https://support.apple.com/guide/safari/use-the-developer-tools-in-the-develop-menu-sfri20948/mac


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


Stop video Auto-play with sound


  1. Visit the site a user wants to disable video autoplay.
  2. Click Safari in the Safari menu bar and choose “Settings for This Website”

3. Click inside the drop-down box next to  Auto-Play and choose “Never Auto-Play. 


Video should stop playing automatically.

If the user wants to play the video, hit the play button.



Try an Ad blocker Safari Extensions.


Click Safari in the menu bar and choose "Safari Extensions"

Download and install one you like.




1 reply
Question marked as Top-ranking reply

Mar 11, 2021 1:00 PM in response to Lerdalparker23

A user cannot do much about this other than what the alert requests.

If the Macbook is on battery, this will have an effect.


Clear all website data

https://support.apple.com/guide/safari/manage-cookies-and-website-data-sfri11471/mac


Enable Develop menu, click Develop in the menu bar  and  then Empty Caches from the dropdown.

https://support.apple.com/guide/safari/use-the-developer-tools-in-the-develop-menu-sfri20948/mac


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


Stop video Auto-play with sound


  1. Visit the site a user wants to disable video autoplay.
  2. Click Safari in the Safari menu bar and choose “Settings for This Website”

3. Click inside the drop-down box next to  Auto-Play and choose “Never Auto-Play. 


Video should stop playing automatically.

If the user wants to play the video, hit the play button.



Try an Ad blocker Safari Extensions.


Click Safari in the menu bar and choose "Safari Extensions"

Download and install one you like.




This webpage is using significant energy. Closing it may improve the responsiveness of your Mac? WHAT!

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