Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

본 사이트는 여러분의 사용자 경험을 개선하기 위해 유지 보수를 진행하는 동안 기능이 제한됩니다. 도움말로 문제가 해결되지 않고 질문을 하고 싶다면 Twitter의 @FirefoxSupport 및 Reddit의 /r/firefox 채널을 활용하세요.

Mozilla 도움말 검색

고객 지원 사기를 피하세요. 저희는 여러분께 절대로 전화를 걸거나 문자를 보내거나 개인 정보를 공유하도록 요청하지 않습니다. "악용 사례 신고"옵션을 사용하여 의심스러운 활동을 신고해 주세요.

자세히 살펴보기

Hello. Firefox takes about 710 MB for 5 tabs, in which are Gmail, Google Translator and Youtube video with 480 quality. Almost your suggestions are used.

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  • 최종 답변자: cor-el

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5 tabs are opened at the moment of writing this text. There is no any media playing in a tab. Working memory for the Firefox browser shows about 700 MB +-3 or 5 MB. The version of the browser is 50.1.0. Working add-ons: AdBlock.

5 tabs are opened at the moment of writing this text. There is no any media playing in a tab. Working memory for the Firefox browser shows about 700 MB +-3 or 5 MB. The version of the browser is 50.1.0. Working add-ons: AdBlock.

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Try to disable multi-process tabs in Firefox. You can disable multi-process tabs in Firefox by setting the related prefs to false on the about:config page.

  • browser.tabs.remote.autostart = false
  • browser.tabs.remote.autostart.2 = false

You can open the about:config page via the location/address bar. You can accept the warning and click "I'll be careful" to continue.


You can inspect the about:memory page to see what takes up most of this memory usage.

Start Firefox in Safe Mode to check if one of the extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) or if hardware acceleration is causing the problem.

  • Switch to the DEFAULT theme: "3-bar" menu button or Tools -> Add-ons -> Appearance
  • Do NOT click the "Refresh Firefox" button on the Safe Mode start window