The problem hasn't been seen on macOS Sierra, OS X El Capitan or earlier. But it's related to the update of macOS High Sierra for the problem only came out after users have upgraded the system to macOS High Sierra on their MacBook. Why Does Safari Keep Saying: This webpage is using significant memory (energy)?Ĭurrently, there is no clear reason to explain why this error occurred. Many a user also encountered the same error when using another browser, Firefox.
Some users also reported that this message appeared when they tried to use Safari to open Netflix, Facebook, and websites such as CNN, CBS, MSN and so on.
Closing it may improve the responsiveness of your Mac' will suddenly pop up. Many Safari-users found that when using Safari on a Mac, ' This webpage is using signific ant memory (or energy).
