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Firefox consuming way more memory then its reporting in task manager

Hi, I have 32 gb of memory in my system and I'm having an issue where firefox is taking up most of it but only reporting 1 or 2 gb in task manager. Im using the windows p… (read more)

Hi, I have 32 gb of memory in my system and I'm having an issue where firefox is taking up most of it but only reporting 1 or 2 gb in task manager. Im using the windows powershell command Get-Process | Sort-Object -Descending WS | select -first 1 | select -ExpandProperty ProcessName to find whats using the most memory and its listing firefox, heres a screenshot showing the issue.

Asked by gilbertsikora2 1 month ago

Firefox increases RAM usage over time

Whenever I restart Firefox, it uses about 30% of my RAM, however this increases over time and after a week it can be over 60%. No new extensions, tabs, windows opened, no… (read more)

Whenever I restart Firefox, it uses about 30% of my RAM, however this increases over time and after a week it can be over 60%. No new extensions, tabs, windows opened, nothing changed from usage of day 1 to day 7. I have attempted everything in the support post for Firefox taking up too much RAM, and nothing has led to longterm solutions. This issue originally started about 2 months ago so it hasn't been consistent, but I haven't changed anything either in my browsing habits or the hardware of my computer to causes this change. Hardware acceleration is off, and using the same extensions (and more) on other browsers doesn't result in the same problem on those browsers. The problem is worst by far when I'm using YouTube.

Asked by minervaarcanum 1 month ago

Firefox profile size has ballooned

I am a heavy Firefox user, and have been using it (and its predecessor) since Netscape. In the last year, the size of my Firefox profile has more than doubled, from 500M… (read more)

I am a heavy Firefox user, and have been using it (and its predecessor) since Netscape. In the last year, the size of my Firefox profile has more than doubled, from 500MB to 1.3GB. What's the probable cause(s), and what can I do about it?

Asked by stevenungar 1 month ago

Last reply by stevenungar 1 month ago

Firefox startup causes ServiceHost: NetworkService to max out CPU to 96% when Mozilla VPN is on.

I am trying to troubleshoot a problem with high CPU usage by Firefox when using Mozilla VPN - VPN ON.. Problem occurs when starting in Safe Mode, and still occurs after p… (read more)

I am trying to troubleshoot a problem with high CPU usage by Firefox when using Mozilla VPN - VPN ON.. Problem occurs when starting in Safe Mode, and still occurs after performing Refresh. Problem can also occur just by changing to a new tab. Problem does not occur if Mozilla VPN is turned OFF. Problem does not occur with Microsoft Edge. Mozilla VPN Support said it is a Firefox issue, and recommended contacting Firefox if safe start or refresh did not help.

Below is a link to a startup session. https://share.firefox.dev/3DEft5k

Hoping that someone can help me solve this issue. Thanks! Device name GGDesktop Processor 13th Gen Intel(R) Core(TM) i5-13400 2.50 GHz Installed RAM 32.0 GB (31.7 GB usable) Device ID 71FFA399-5A1A-448B-892C-99CEE4F5A88A Product ID 00330-80000-00000-AA007 System type 64-bit operating system, x64-based processor Pen and touch No pen or touch input is available for this display

Edition Windows 11 Pro Version 24H2 Installed on ‎12/‎14/‎2024 OS build 26100.2605 Experience Windows Feature Experience Pack 1000.26100.36.0

Asked by genegx.vcf 1 month ago

firefox eats up all the RAM on my Mac

I'm tired of trying to find a solution to this problem, you're deaf! I have been using Firefox since 2003. to avoid writing unnecessary words, I will simply state, I wil… (read more)

I'm tired of trying to find a solution to this problem, you're deaf!

I have been using Firefox since 2003. to avoid writing unnecessary words, I will simply state, I will leave firefox if you do not eliminate this problem:

firefox eats up all the RAM on my Mac. It is none of your business whether I open 1 tab or 10 tabs, give me the ability to limit the memory used by firefox, otherwise it eats up all the computer's memory.

Asked by avtopic 1 month ago

Last reply by avtopic 1 month ago

Diminishing performance (increasing lag) the longer Firefox 133 is open

I believe this problem began in 133. I've noticed that if FF is open for a few hours, it starts to develop a very noticeable input lag. For example, if I'm watching a You… (read more)

I believe this problem began in 133. I've noticed that if FF is open for a few hours, it starts to develop a very noticeable input lag. For example, if I'm watching a YouTube video and hit an arrow key to advance the video, there will be a couple of seconds before the browser registers the key press. It behaves like a high CPU issue but I do not detect high CPU usage when this is happening. Restarting the browser resolves the issue for a few hours.

This is happening on Windows 11 as well as on a Mac running Sonoma.

Asked by John Neiberger 1 month ago

Last reply by jscher2000 - Support Volunteer 1 month ago

"FirefoxCP Isolated Web Content" Using Tons of Memory and Slowing Down MacBook Pro

Recently, Firefox on my MB Pro (M1) has been freezing up or drastically slowing down due to "FirefoxCP Isolated Web Content" processes (multiple). What is this? How do I … (read more)

Recently, Firefox on my MB Pro (M1) has been freezing up or drastically slowing down due to "FirefoxCP Isolated Web Content" processes (multiple). What is this? How do I fix it? Is this a deal breaker for using Firefox as my default Mac browser?

Asked by woh.commerce 2 months ago

Firefox's locally stored website data is abnormally large, causing some web pages to fail to load.

Firefox prompted me that my local storage space was insufficient. When I opened the data management page, I found that a particular website's local storage was abnormally… (read more)

Firefox prompted me that my local storage space was insufficient. When I opened the data management page, I found that a particular website's local storage was abnormally large, and some websites were inaccessible or unable to log in. After restarting Firefox, the issue did not reoccur.

Asked by 你什么都没看见 2 months ago

Last reply by jscher2000 - Support Volunteer 2 months ago