Mozilla VPN is currently experiencing an outage. Our team is actively working to resolve the issue. Please check the status page for real-time updates. Thank you for your patience.

Ce site disposera de fonctionnalités limitées pendant que nous effectuons des opérations de maintenance en vue de vous proposer un meilleur service. Si un article ne règle pas votre problème et que vous souhaitez poser une question, notre communauté d’assistance est prête à vous répondre via @FirefoxSupport sur Twitter, et /r/firefox sur Reddit.

Rechercher dans l’assistance

Évitez les escroqueries à l’assistance. Nous ne vous demanderons jamais d’appeler ou d’envoyer un SMS à un numéro de téléphone ou de partager des informations personnelles. Veuillez signaler toute activité suspecte en utilisant l’option « Signaler un abus ».

En savoir plus

How on earth is it possible that Firefox uses 40% of my RAM, doing absolutely NOTHING?

  • 6 réponses
  • 1 a ce problème
  • 5 vues
  • Dernière réponse par FredMcD

more options

I start Firefox and my RAM usage immediately goes to 40%. No other apps open, all Firefox add-ons disabled, no sites open in tabs, nothing. I have 3 Gig RAM, that's not much, but it's more than sufficient for browsers like Chrome and Opera. I really prefer Firefox, but as soon as I have just two tabs open, my RAM goes to 90% and my CPU usage goes to at least 80%. It then doesn't take long till it crashes. Although the Crash-report "promises" feedback, I never ever got any. . .

I realize Firefox is a free app, so perhaps I shouldn't be complaining, but hey, all browsers are free these days and I would hate to go back to Chrome.

What can I do to reduce Firefox's use of resources? As I'm typing this it is using 250,000 K of RAM, basically doing nothing, accept keeping this one support-tab open.

I start Firefox and my RAM usage immediately goes to 40%. No other apps open, all Firefox add-ons disabled, no sites open in tabs, nothing. I have 3 Gig RAM, that's not much, but it's more than sufficient for browsers like Chrome and Opera. I really prefer Firefox, but as soon as I have just two tabs open, my RAM goes to 90% and my CPU usage goes to at least 80%. It then doesn't take long till it crashes. Although the Crash-report "promises" feedback, I never ever got any. . . I realize Firefox is a free app, so perhaps I shouldn't be complaining, but hey, all browsers are free these days and I would hate to go back to Chrome. What can I do to reduce Firefox's use of resources? As I'm typing this it is using 250,000 K of RAM, basically doing nothing, accept keeping this one support-tab open.

Toutes les réponses (6)

more options

Hello, Try these easy fixes https://support.mozilla.org/en-US/kb/firefox-uses-too-much-memory-ram report us back.

more options

Sorry, didn't work. Just tried the same configuration with Chrome and it's very fast, using half of the resources.

more options

Thunderbird has exactly the same problem, compared to Outlook, it must a Mozilla thing, I'm afraid.

more options

You can try to disable hardware acceleration in Firefox.

  • Tools > Options > Advanced > General > Browsing: "Use hardware acceleration when available"

You need to close and restart Firefox after toggling this setting.

more options

Already manipulated all settins and all of my extensions/add-ons. What seems to give some "relieve" is disabling my Okay Freedom VPNS add-on, I guess because it works as a proxy.

more options

Start Firefox in Safe Mode {web Link} by holding down the <Shift>
(Mac Options)
key, and then starting Firefox. Is the problem still there?