Fixing “This Webpage is Using Significant Memory” on Mac

Apple has taken a careful approach to the RAM allocation of its devices. Therefore, most iPhones, Macs, iPads, iMacs, and other devices handle most user processes perfectly. But in some cases, the amount of RAM isn’t enough. You’ll know this because your Mac will notify you with a notice that says, “This webpage is using Significant Memory“. This error means the webpage or online service is using too much RAM, not enough on your macOS device.

this webpage is using significant memory

Don’t worry. You can fix it in a few steps. Our step-by-step guide will be helpful to you as it contains detailed instructions on how to get rid of the “This webpage is using Significant Memory” error in Safari on Mac.

Why Does Safari Get An Error About Insufficient RAM?

A computer uses RAM to store temporary data for permanent and urgent downloads. Most Macs have between 8 and 16 gigabytes of RAM. If you’re using a device with less RAM, chances are you’ll encounter the “This webpage is using Significant Memory in Safari” alert on a Mac.

this webpage is using significant memory mac

This is not a critical error. Accordingly, your device will continue to work. However, when this error appears at the top of the screen, the application may slow down and even freeze. Most often, this alert appears when Safari is running.

Causes of the error that the page is using too much RAM:

  • Too many tabs are open;
  • Several media players are running simultaneously;
  • There are too many ads on open pages, or the total “weight” of pages is too high.

Safari users often encounter the “This webpage is using Significant Memory” error when they have Google Docs, YouTube, streaming web pages, and other things that consume a lot of RAM.

There are several ways to get rid of that. And you don’t have to upgrade your Mac.

How to Fix “This webpage is using Significant Memory in Safari” on a Mac?

There are a few simple steps to reduce memory consumption by Safari browser and other Mac applications:

  1. Install an ad blocker plugin to reduce the “weight” of opened pages in your browser
    Open the Adblock website on the Safari browser > Download and Install the Adblock for Safari Mac extension > While installing, share all the relevant permissions like webpage content and browser history.
  2. Disable plug-in in Safari
    Open Safari > Go to Preferences > Advanced > Activate the Stop plug-ins to save power.
  3. Clear the browser cache every week
    Open Safari > Go to Preferences > Advanced > Activate the developers menu display > Clear the cache in the developers menu and restart the browser.
    this webpage is using significant memory safarithis webpage is using significant memory in safarimac this webpage is using significant memory
  4. Update Safari if necessary
    Open System Preferences > Software Update > Update Safari.
    fix this webpage is using significant memoryerror this webpage is using significant memory
  5. Once you’ve done everything, restart your Mac and see how much more stable and faster the browser is.

Conclusion

You can get rid of the “This webpage is using Significant Memory in Safari” error on a Mac without professional help. You need to take a few steps to clear the cache and free up some RAM to keep your Apple built-in browser or other application working.

Cyril Kardashevsky
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