Safari reloading pages "using significant memory"

Hey everyone, big problem on my M1 MacBook Pro. When streaming a movie (happens every time on Disney Plus, not always but often on Netflix) Safari automatically refreshes the page due to it using "significant memory". Makes watching movies very annoying.

Does anyone know how to fix this or how to stop the automatic refresh?


P.S. didn't happen on my 2014 MacBook Pro


[Re-Titled by Moderator]

Posted on Mar 3, 2021 3:09 PM

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Posted on Mar 3, 2021 4:54 PM

There is a longer Discussion, on this subject, at “Safari 14 on Big Sur: How to prevent a webpage from automatically reloading because it was using significant memory?


It will all depend upon the way the “streaming” site has been programmed.


  1. Websites are not supposed to use large amounts of browser storage: they are supposed to use Server Side storage.
  2. Unfortunately, many websites have gotten increasingly lazy about using Browser memory.


Perhaps contributing to this problem are the following:

  1. Many streaming sites used to use Flash for such purposes, but with the demise of Flash (at the beginning of this year, even though they were forewarned three and a half years ago, they may be new to the idea of streaming directly to browsers using HTML5.
  2. There are some web-browsers that have very “relaxed” standards about the use of your computer resources: these browsers are well known resource “hogs”, but they may have contributed to websites being lazy in their use of browser resources. (Google Chrome is one well known resource “hog”.)


Have you, and others, provided Apple Feedback through their provided Feedback mechanisms? See Product Feedback - Apple.


If people don’t provide such Feedback, there is little chance that Apple will change anything.


I would provide my Feedback in the form of a Bug Report, on matters such as this.


In the meantime, there are a couple of things that have been found helpful:

  1. Access such web-pages through a browser window with only a single tab: this helps isolate the resource use.
  2. Other browsers, such as Google Chrome, don’t seem to have this issue. (Resource “hogs.)

Similar questions

34 replies

Mar 12, 2021 4:38 PM in response to tylerwaite1

Welcome, tylerwaite1, to Apple Support Communities!


As I wrote, above: «Websites are not supposed to use large amounts of browser storage: they are supposed to use Server Side storage.»


In fact, if the website you were using (the «free online IDE») had been programmed in that way, there would have been nothing to loose when «safari reloaded».


Unfortunately, as we are seeing, website programming is increasingly poor.


Fortunately you have already provided Feedback to Apple.

Mar 12, 2021 7:22 PM in response to Halliday

Certainly, that reloading is expected behavior. And yes, websites are not supposed to use large amounts of browser storage.


But I, the regular user, am getting harmed in Apple’s attempt to correct these actions by websites. I’m a computer major. I can’t imagine what goes through people’s heads when they’re not a “techy” and they unexpectedly lose their unsaved data due to the spiteful actions Apple is taking towards websites.


We’re getting caught in the fight, and Apple should not be allowed to use their customers to fuel their fight towards lowering Browser-side storage usage. (Which I’m sure politically only became an issue when they promised crazy battery life on the M1 chip).

Mar 17, 2021 11:42 AM in response to rob185

rob185 wrote:

Use many other sites and only seems to be disney+ causing the reload issue.

But what of the specific cases where others are experiencing the issue?


If you have not been using those other sites, then you have only confirmed the «disney+» case. That’s OK, but doesn’t tell us anything new.


However, if you have been using those other sites without issue, then your information provides a counter example to some of the other reports.

Mar 17, 2021 3:03 PM in response to rob185

rob185 wrote:

What else did you need to know? Netflix works, shudder works, prime good, DAZN good etc. Only one that has given me issue is Disney+

So. Now you seem to be claiming that «Netflix»—through Safari?—doesn’t exhibit the issue, for you, even though others report such as an issue?


If so, we’ll all want to know why your experience is different.


Are «shudder», «prime» (Amazon Prime Video?), «DAZN», various video streaming services? And are you accessing all these using Safari?

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Safari reloading pages "using significant memory"

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