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How can I use the network monitor with a HTTP/2 connection?

I found multiple pages recently that cause problems with the network monitor in firefox developer tools. I attached an image as an example. The three requests are selecte… (閱讀更多)

I found multiple pages recently that cause problems with the network monitor in firefox developer tools. I attached an image as an example. The three requests are selected always as a "block". They seem to be somehow related but I do not find any documentation what their relation is. My educated guess (also see https://superuser.com/questions/1537396/what-is-the-reason-firefox-combines-multiple-requests-in-the-network-monitor) that it is HTTP/2 related. However I still do not get how to handle debugging in such circumstances. I'd like to see the individual requests and answers for debugging purposes. I do not find a way to reach that goal. Is it a technical restriction?

ChristianLupus 於 2 年前 詢問

TyDraniu 最近回覆 於 1 年前

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Firefox using very high CPU %

Whenever i use firefox i get spikes in my CPU usage, sometimes up to 100% usage. When i tab off of firefox, it soon goes down, then comes back whenever i have firefox act… (閱讀更多)

Whenever i use firefox i get spikes in my CPU usage, sometimes up to 100% usage. When i tab off of firefox, it soon goes down, then comes back whenever i have firefox active. I have tried restarting with add-ons disabled, creating a new profile, reinsalling firefox, disabling and re-enabling hardware acceleration, all to no avail.

josephwallen 於 2 年前 詢問

caiofcastro 最近回覆 於 1 年前

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Disable focus in the address bar for new tabs

Hello, I personally dislike the new address bar (also known as Megabar), mainly because it is enlarged without any user intervention, even if I only want to open a bookma… (閱讀更多)

Hello, I personally dislike the new address bar (also known as Megabar), mainly because it is enlarged without any user intervention, even if I only want to open a bookmark without typing anything in there.

Is there a setting in about:config to disable focus in the address bar for new tabs? Thanks.

Underpass 於 2 年前 詢問

radiocam 最近回覆 於 1 年前

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Tabs sometimes do not load pages when I middle-click on links from website or from bookmarks

At several occasions, but not in a reproducible manner, when I open pages' links (or bookmarks toolbar's links) using middle-click button (i.e. using "Open Link in a new … (閱讀更多)

At several occasions, but not in a reproducible manner, when I open pages' links (or bookmarks toolbar's links) using middle-click button (i.e. using "Open Link in a new tab"), the tab opens up, shows the URL it should load, but seems to stop there and never actually loads the website. Sometimes, the URL won't even show up in the omnibar. When this happens, the "Reload current page" is grayed out, so I need to click the omnibar and hit enter to force the URL to load, or click the original link again. Most of the time, reclicking with middle button on the same link works fine again. I did not see any common pattern regarding which links generate this behavior or not, but I will keep trying to find out.

This behavior does occur even in safe-mode (all addons disabled).

simon.budin 於 2 年前 詢問

gumby_dammit223 最近回覆 於 1 年前

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Deleting ALL Firefox data and traces as suggested doesn't work.

Firefox won't fully launch. It goes into process, but never comes to the foreground. I've tried everything that can be done without using Firefox (it won't open). I can s… (閱讀更多)

Firefox won't fully launch. It goes into process, but never comes to the foreground. I've tried everything that can be done without using Firefox (it won't open). I can see two instances of Firefox flickering in Process Explorer, and they're eating system resources without really DOING anything. I've tried: 1. Restart Windows 10, uninstall, restart, reinstall. 2. Deleting Firefox Maintenance folder in Programs (x86). Uninstall, restart, reinstall. 3. Deleting the profile folders in AppData. Uninstall, restart, reinstall. 4. Uninstall, scour registry of all traces. Restart, reinstall. 5. It works on my OTHER admin account, but not on this one.

While Firefox is doing this nothing business, I can't uninstall it with my uninstaller on THIS account, so I have to go to my other account to uninstall, and when I get back to this one, an error message is on the screen.

Firefox is currently uninstalled, so no luck at its inner workings.

gremlinkurst 於 2 年前 詢問

jbevan418 最近回覆 於 1 年前

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New versions of Firefox are very slow for download speeds. 50% of what is available from my provider. Safari is at 100%. Is this from security and filters ?

Recently updated to the latest 2 versions and Firefox is failing download speed wise. Upload speeds are what they should be. I have ran speed tests from multiple sources… (閱讀更多)

Recently updated to the latest 2 versions and Firefox is failing download speed wise. Upload speeds are what they should be. I have ran speed tests from multiple sources and all return a similar range - 40-60Mbps. My provider speed is 100Mbps. I have run the same tests with Safari and it is operating at 100% speed wise. Are new security features and / or tracking filters responsible for this slow down ?

bobbymacbean 於 2 年前 詢問

FredMcD 最近回覆 於 1 年前

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Twitter on Firefox missing functions

Hello, this appears to be a Firefox-exclusive problem as any other browser used will fix the issues listed below. However, when I am using Firefox, the following happens:… (閱讀更多)

Hello, this appears to be a Firefox-exclusive problem as any other browser used will fix the issues listed below. However, when I am using Firefox, the following happens:

  • I am unable to like or retweet anything, and cannot follow any accounts. Attempting to do so resets them if I refresh or click off the tab.
  • Notifications do not go away even when I view them
  • Any tweets I have cannot be deleted
  • Any info on my profile cannot be changed
  • I cannot log out

I've tried multiple ways to fix this, including clearing my cache, running in Safe Mode, and removing my saved login. None of these have worked, unfortunately. I've reached out to Twitter Support, but soon realized I wouldn't hear back about specific problems at all. Is there anything I can do to fix this problem?

mcpherson.angus 於 2 年前 詢問

Kiki 最近回覆 於 1 年前

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Firefox does not reach 1Gb speed? how do i configure browser? Chrome and Edge does reach 1Gb at speedtest, Firefox does not

I already upgraded my home's internet speed up to 1Gb. It included a router's change. The fact i, when i do a speed test on Firefox, it does reach only 600 Mb download sp… (閱讀更多)

I already upgraded my home's internet speed up to 1Gb. It included a router's change. The fact i, when i do a speed test on Firefox, it does reach only 600 Mb download speed and 100 upload. If i do the same speed test with another browser, i get 900 MB download and 100 Mb upload. So , how do i configure Firefox in order to get same values than Edge and Chrome browsers? I understand it might has to be with some parameters in about:config . Could you give me some light on this? Thanks

elf_wolf 於 2 年前 詢問

Ernest 最近回覆 於 1 年前

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Why is FF so set against accessibility?

For the last at least 25 releases, FF has gotten continually more hostile to someone like me who is visually impaired. I had read that FF was going to stop using the hamb… (閱讀更多)

For the last at least 25 releases, FF has gotten continually more hostile to someone like me who is visually impaired. I had read that FF was going to stop using the hamburger for menus because screen readers couldn't process it. That has not happened. Hamburgers, paper airplanes, icons instead of text, triple dots, and selector switches to turn settings on and off are all anti-accessibility. I don't like any of those features anyway. What is wrong with words like, "Menu," "Submit," or "Send"? This has been getting worse and worse over time. I don't know if the developers for FF are simply oblivious to the problems that they are causing or if they know but don't care. Gmail is worse but it seems like FF is following Google. What a horrible thing to do for accessibility, among other things. At least, though, Gmail on my phone can use the pinch technique to make the text larger. Firefox on my Android phone will not allow that. I cannot enlarge text in any window in the native FF phone app. This anti-accessibility is to pervasive it seems deliberate. Why is this being done????

drduncan 於 2 年前 詢問

the-edmeister 最近回覆 於 1 年前

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Youtube video takes too long to unpause

Whenever I open a youtube video, go to other tabs, come back after some time and unpause it, it either takes 1-2 seconds for it to start, or the video unpauses without so… (閱讀更多)

Whenever I open a youtube video, go to other tabs, come back after some time and unpause it, it either takes 1-2 seconds for it to start, or the video unpauses without sound, which comes back after 1-2 seconds. Is this normal? If it is, is there a setting I can change?

lgerosa2002 於 2 年前 詢問

National First Responders Day October 28 最近回覆 於 1 年前

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Firefox is locked up, unresponsive

I have version 75.0 of firefox. I was browsing as normal and it suddenly locked up. If I type in the address bar then search suggestions appear but nothing loads in the… (閱讀更多)

I have version 75.0 of firefox. I was browsing as normal and it suddenly locked up. If I type in the address bar then search suggestions appear but nothing loads in the main window. Non of my favourites load. Clicking the new tab button doesn't load a new tab. The menu button opens but the options don't load. I have tried uninstalling. I have removed any sign of mozilla / firefox from my program files and program files x86. If I right click on the main window, the menu that appears has pretty much every option you could imagine. theirs so many option that it scrolls off the screen. on one occasion my laptop blue screened (which it doesn't normally do) but when it came back on firefox worked again until I turned the laptop back on again the next day and it was broke again

davidmills79 於 2 年前 詢問

rafter111 最近回覆 於 1 年前

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shortcut for switching browser windows?

Hello, I urgently ;-) need a shortcut to switch between open browser windows. It seems to be one of the basic ones, but is nowhere to be found. Solutions using Tilde do n… (閱讀更多)

Hello,

I urgently ;-) need a shortcut to switch between open browser windows. It seems to be one of the basic ones, but is nowhere to be found.

Solutions using Tilde do not work for me becuse it's not available on my Apple keyboard.

Why not use Command +< or Command + > respectively, like many other apps do?

And why not at least let me configure that in a simple fashion myself???

Thanks for any solution!

200cm 於 2 年前 詢問

artist3 最近回覆 於 1 年前

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I can't load youtube in firefox

When I open youtube, there´s nothing wrong. But when I sign in with my account, the page stops working. It only happens with firefox, chrome an edge doesn't do that. … (閱讀更多)

When I open youtube, there´s nothing wrong. But when I sign in with my account, the page stops working. It only happens with firefox, chrome an edge doesn't do that.

lorenpan12 於 2 年前 詢問

jscher2000 - Support Volunteer 最近回覆 於 1 年前

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Filename of a download-pdf is scambled into 8 characters

Hello to all, I work with Firefox 75.0 (64-bits) and I keep it always updated. My telecomprovider offers me regularly the invoice in pdf-format. When I download it, the f… (閱讀更多)

Hello to all, I work with Firefox 75.0 (64-bits) and I keep it always updated. My telecomprovider offers me regularly the invoice in pdf-format. When I download it, the filename is changed into 8 characters, not being a sensible or readable name (ie "7fH5Rsd3.pdf"). When I asked the the provider to change this, it was clear it already is. Other customers working with IE or Chrome etc. don't have this problem. It was suggested this could be Firefox itself. The strange thing is this happens only with this provider and apparantly only with me. Everywhere else pdf's or any other file downloads just fine with their respective names. So, what could be the cause? One obscure setting in Firefox? Or should I look elsewhere? BTW: this is happening with all previous versions of Firefox, but I don't know when it started.

Lis20 於 2 年前 詢問

cor-el 最近回覆 於 1 年前

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MS Edge took away part of my Firefox programs and data.

I had to use Edge this afternoon to open my Brother printer/etc. I was in a hurry to scan something. Now it appears that MS Edge has taken some data and the Brother prog… (閱讀更多)

I had to use Edge this afternoon to open my Brother printer/etc. I was in a hurry to scan something. Now it appears that MS Edge has taken some data and the Brother program out of Firefox. Help please! Thank you.

Marcia Mills Hatman 於 2 年前 詢問

dsar3557 最近回覆 於 1 年前

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warn on quit

It's so frustrating that the keyboard shortcut for closing tabs is right beside the one to quit Firefox. I've lost countless hours because of this, and it's so easy to ac… (閱讀更多)

It's so frustrating that the keyboard shortcut for closing tabs is right beside the one to quit Firefox. I've lost countless hours because of this, and it's so easy to accidentally do. Is there a way to keep this from happening? A simple "Are you sure" confirmation dialog would be great, or I really like the Chrome "hold command-Q" to exit feature. This seemingly simple function is proving extremely difficult to accomplish.

Yes, I'm aware of session restore, but (1) It does not preserve my window arrangement. I use multiple desktops for various tasks, and they each have related browser windows. (2) I need to see webpages exactly as they were when I opened them. Sessions expire, dynamic pages are refreshed, content is removed etc. That is all lost.

I do not want to disable session restore completely. It can still be useful. But, I do not want to trigger session restore automatically every time. Manual activation is ideal.

regarding: "browser.tabs.warnOnClose" I do not want a warning for closing multiple tabs. I often have many windows open and that warning gets annoying. It also doesn't prevent me from accidentally quitting when I only have one tab open.

I tried setting browser.warnOnQuit to true, but it's ignored.

I simply want a confirmation when I use the keyboard shortcut to QUIT. That's it. No side effects. Can Firefox do this?

MountainManJoe 於 2 年前 詢問

cor-el 最近回覆 於 10 個月前

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Hide tab bar with one tab Firefox 76

My hide tab bar with one tab code has broken with 76. The tabs themselves remain collapsed, but the bar remains. Here's my userChrome file: /* Modify to change window … (閱讀更多)

My hide tab bar with one tab code has broken with 76. The tabs themselves remain collapsed, but the bar remains. Here's my userChrome file:

/* Modify to change window drag space width */
:root[tabsintitlebar="true"] #nav-bar{ --window-drag-space-width: 24px }

.titlebar-buttonbox-container{
  position: fixed;
  display:block !important;
  top:0;
  right:0;
  height: 40px;
}
#toolbar-menubar[inactive] > .titlebar-buttonbox-container{ opacity: 0 }

:root[sidemode="maximized"] > #navigator-toolbox{ padding-top: 8px !important; }
:root[sizemode="maximized"] .titlebar-buttonbox-container{ top: 8px }

:root[uidensity="compact"] .titlebar-buttonbox-container{ height: 32px }
.titlebar-buttonbox-container > .titlebar-buttonbox{ height: 100%; }
#titlebar{
 -moz-box-ordinal-group: 2;
  -moz-appearance: none !important;
}
:root[tabsintitlebar="true"] #nav-bar{
  padding-right: calc(138px + var(--window-drag-space-width,0px));
  padding-left: var(--window-drag-space-width,0px)
}
.titlebar-placeholder,
#TabsToolbar .titlebar-spacer{ display: none; }
/* Also hide the toolbox bottom border which isn't at bottom with this setup */
#navigator-toolbox::after{ display: none !important; }

/* Menubar on top patch - use with Fx65_tabs_on_bottom.css */
/* Only really useful if menubar is ALWAYS visible */

#navigator-toolbox{ margin-top: 22px }
#toolbar-menubar{
  position: fixed;
  display:block !important;
  top: 0px;
  height: 22px;
  margin-top:1px;
  width: 100%;
  overflow: hidden;
}

#toolbar-menubar .titlebar-buttonbox-container{ height: 22px; }
#toolbar-menubar .titlebar-button{ padding: 2px 17px !important;  }

/* This will allow you to MAYBE put some items to the menubar */
#toolbar-menubar > *{ float: left }
#toolbar-menubar .toolbarbutton-1 { --toolbarbutton-inner-padding: 3px }

/* Makes tabs toolbar items zero-height initially and sets enlarge them to fill up space equal to tab-min-height set on tabs */
/* Firefox 65+ only */
/* !!USER!! -  REMOVE ALL BUTTONS you can from the tabs toolbar */

/* Configurable window drag space  */
:root[sizemode="normal"] #nav-bar{ --window-drag-space-width: 20px }

#titlebar{ -moz-appearance: none !important; }
#tabbrowser-tabs, #tabbrowser-tabs > .tabbrowser-arrowscrollbox{ min-height: 0 !important; }
:root:not([customizing]) #tabbrowser-tabs .tabs-newtab-button,
:root:not([customizing]) #TabsToolbar .titlebar-button{
  -moz-appearance: none !important;
  height: 0px;
  padding-top: 0px !important;
  padding-bottom: 0px !important;
  -moz-box-align: stretch;
  margin: 0 !important;
}
#tabbrowser-tabs .tabbrowser-tab{ height: var(--tab-min-height) }
#tabbrowser-tabs .tabbrowser-tab[first-visible-tab="true"][last-visible-tab="true"]{
  visibility: collapse !important;
}

/* Button re-styling */
#tabbrowser-tabs .tabs-newtab-button:hover{ background-color: var(--toolbarbutton-hover-background) }
#tabbrowser-tabs .tabs-newtab-button > .toolbarbutton-icon{
  padding: 0 !important;
  transform: scale(0.6);
  background-color: transparent !important;
}
/* Extra top padding  in maximized window */
:root[sizemode="maximized"] > #navigator-toolbox{ padding-top:7px !important; }
/* Fix window controls not being clickable */
#toolbar-menubar:hover{
  min-height: calc(var(--tab-min-height) + var(--space-above-tabbar) - 1px) !important;
  height: calc(var(--tab-min-height) + var(--space-above-tabbar) - 1px) !important;
  -moz-appearance: initial !important;
}
#nav-bar{ padding: 0 var(--window-drag-space-width,0px) }

/* Hide blue stripe on active tab */
.tab-line[selected="true"] {
  opacity: 0 !important;
}

 #toolbar-menubar, #menubar-items, #main-menubar {
 background-color: #F8F8FB !important;
 background-image: none !important;
}
 #TabsToolbar, #menubar-items, #main-menubar {
 background-color: #F8F8FB !important;
 background-image: none !important;
}

/* Change Color of Active tab */

/* Change Color of Normal Tabs */
tab:not([selected=”true”]) 
{
	background-color: rgb(240,240,245) !important;
	color: black !important;
}

/* Hide solo tab */
#tabbrowser-tabs tab[first-visible-tab="true"][last-visible-tab="true"] {
  visibility: collapse;
}
/* Hide New Tab Button immediately next to solo tab */
#tabbrowser-tabs tab[first-visible-tab="true"][last-visible-tab="true"] + toolbarbutton {
  visibility: collapse;
}

Any help is appreciated.

Leafsdude 於 2 年前 詢問

jscher2000 - Support Volunteer 最近回覆 於 1 年前

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Why does Firefox open older windows instead of recently closed one?

I had Firefox opened in a main windows with maybe 50 tabs of tabs I wanted to look at (documentaries, stand-up shows, stuff from work etc). I opened a second window and w… (閱讀更多)

I had Firefox opened in a main windows with maybe 50 tabs of tabs I wanted to look at (documentaries, stand-up shows, stuff from work etc). I opened a second window and while navigating in the second window I mistakenly close the main. As one does, I hit Open recently closed window. Guess what? Firefox opens a window from yesterday and a few more empty ones, but not the one I just closed. Can someone help me with this?

GrammarNazi238 於 2 年前 詢問

cor-el 最近回覆 於 1 年前