All Questions
Tagged with performance firefox
83
questions
1
vote
1
answer
211
views
Tricks to emulating a Firefox fast-startup without using third parties?
(Windows 11) Firefox starts up significantly slow (when there aren't any windows already open) compared to Chrome and Edge, which seem almost instant. (I've tried without any add-ons/extensions, so ...
5
votes
1
answer
575
views
Optimizing Firefox I/O regarding storage-sync-v2.sqlite-wal file (storage-sync-v2.sqlite database write ahead log file)
In my experience, Firefox creates a storage-sync-v2.sqlite database in each of its profile folders. This appears to happen even if profile syncing is disabled (and has never been enabled).
What's odd ...
1
vote
1
answer
86
views
Bookmarklets executes slow in the background
I have a bookmarklet that jumps down (basically sends end repetitiously) to scroll down the feed on web sites that uses an "infinite feed" (e.g., Facebook, Quora). For obvious reasons, most ...
0
votes
1
answer
336
views
How do I put minimized windows to complete sleep (no CPU usage) on Windows 10?
The title says it all. Basically, I want to stop specific minimized programs in the background from running, for example, a high-CPU program minimized while I work on Firefox. How may I do this on ...
0
votes
0
answers
2k
views
Is it possible to have Firefox use more than 1 CPU core in Windows?
According to the Microsoft Windows Task Manager, Firefox tends to just use 1 CPU core for most of its processing.
When a system isn't running any foreground tasks besides Firefox, this leaves much ...
4
votes
1
answer
2k
views
Automate a periodical "Minimize Memory usage" on Firefox
During many years using Firefox and forks and I've realized that sometimes Firefox gets slow and sometimes unresponsive.
Workaround, going to about:memory, and clicking on "Measure" button ...
0
votes
0
answers
50
views
Google Chrome runs too slow vs. Mozilla Firefox
I have both Firefox and Chrome installed in a Windows 7 device.
Firefox works very well and it doesn't hangs and it's also super fast.
BTW in playing videos firefox in all of my devices is slow and ...
0
votes
1
answer
950
views
Why is Google Chromium so much faster than Mozilla Firefox in Google's Octane 2.0 benchmark?
It is crazy that my CPU is getting 45744 score in Octane 2.0 benchmark when it's is running on Google Chromium. On the contrary, the same Octane 2.0's score is 34406 when it's run on Mozilla Firefox. ...
0
votes
1
answer
2k
views
Firefox suddenly became very slow on my Ubuntu PC
I just finished backing up ~100GB to an external hard drive, during which my computer was very unresponsive even though my CPU and memory usage were very low and my operating system is installed on a ...
0
votes
1
answer
352
views
Sometimes tabs take long to open, with the firefox loading animation appearing for a long time
Sometimes tabs take long to open. I keep seeing the loading animation firefox has for the tab but it takes long to disappear. This can sometimes be for 3, 5, 10 or 30 minutes.
Disabling or enabling ...
2
votes
1
answer
2k
views
Firefox high virtual memory consumption
I am using Firefox 73.0 (64 bit) on Ubuntu. I was very happy with that until a few weeks.
Today, Firefox is taking too much of the available memory and make my system almost unusable. I have browsed ...
1
vote
1
answer
318
views
Debian: How do I stop Firefox from lagging if on battery power?
I'm running Firefox ESR 68.4.1esr on a Debian 10 ("buster") x64 system. If it's relevant, the machine is a Thinkpad X1 Carbon 4th generation.
When I'm on battery power, Firefox is extremely slow to ...
0
votes
0
answers
1k
views
What is taking my SSD to 100% utilize with the extremely slow read speed?
Recently, I found significant slowdown of my Firefox cold startup on my PC with SSD drive. Previously, my Firefox could cold start in less than 2 seconds. Now, it could take from 30 seconds to 1 ...
1
vote
1
answer
675
views
Recently versions of firefox/palemoon have been really slow to start
Both Firefox and Palemoon have been starting super slow on my i3 manjaro recently. Can take more then a minute before I see any screen. It runs fine after it has started up.
I am at a loss to ...
2
votes
0
answers
60
views
Measuring impact of gpu acceleration on rendering time of websites
How can I measure what, if any, speed up website loading times during webbrowsing with Firefox (or Chrome) an added dedicated graphic card (Nvidia GT 1030) provides over an old integrated one (Radeon ...
0
votes
0
answers
2k
views
Very high memory usage on Windows 10 but programs don't add up
I generally get a memory usage >80% but when I check the Task Manager, none of the programs add up to that usage. The laptop (Dell XPS 13 9360) frequently has to resort to my SSD with a large number ...
1
vote
1
answer
1k
views
What Firefox tabs take more CPU and RAM, and how to stop it?
When I open Firefox with many tabs, my Linux machine becomes slower, and in "top" I see a process named "Web Content" which takes a lot of RAM and CPU. I guess it is related to tabs running process in ...
1
vote
0
answers
118
views
Is there anything like about:healthreport in desktop Firefox browser anymore?
Until recently, the desktop version of Firefox included a very useful internal page, about:healthreport. That page presented useful information, including graphs that showed browser startup time (y-...
2
votes
2
answers
2k
views
Why is Firefox so slow when compared to Chrome when used for HTML5 gaming (“Forge of Empires”)?
I am on my laptop just contemplating on transitioning one Flash game I play (“Forge of Empires”) that is currently available in HTML5. I’m having a difficult time comprehending why the Firefox is so ...
3
votes
1
answer
688
views
Firefox 63 slow page load?
My System: I have an I7-4790k cpu and a fast connection (low latency/ping 33 e.g. to amazon.de, enough traffic bandwidth 32 Mbps). I'm using Firefox 63 stable which uses all my cores.
Problem: Still, ...
1
vote
0
answers
156
views
Firefox VERY unresponsive when browsing to repl.it
I'm using Firefox 58.0.2 (64-bit) and it's always pretty fast, but whenever I go to repl.it my browser becomes very unresponsive and everything. I tried using MS Edge and it worked just fine, the ...
5
votes
2
answers
5k
views
Disable CSS animations on Firefox
I found CSS animations to be slow and most of the time useless. They make website feel heavy and laggy especially if I'm already using my CPU for other tasks.
Therefore, I would like to disable CSS ...
0
votes
0
answers
2k
views
How can I speed up my pc for multi tab browsing?
What can I do to improve browsing performance?
In particular I have a browser-session with around 1000 tabs (they only load when they're clicked). And I also open up many new tabs at the same time ...
0
votes
0
answers
50
views
Does Firefox's Reader View save PC resources?
I have a series of articles from a media site that consume tons of resources. Complex templates, navigation, media inserts, bad JavaScript, yaddayaddayadda.
This causes big load on both CPU and ...
1
vote
2
answers
76
views
Firefox frequently hanging, but no Javascript? Browser environment corrupted?
Recently my browser (Firefox latest version) has been hanging when visiting heavily commercialized sites even though I have Javascript and YouTube and other programmatic features disabled. How can a ...
0
votes
0
answers
214
views
How can I create a RAM disk and install Firefox into it?
I've a Fedora 22 64-bits system running under a notebook with Intel Core i3 processor and 7.7GB of RAM. I only use about 2~3GB of RAM (with everything I need) and I want to speed up my system, so I've ...
0
votes
1
answer
4k
views
firefox 38.0.1 runs slow in virtualbox guest windows
I am making a new windows virtualbox image today, and just installed firefox from https://www.mozilla.org
I have used firefox for years, and it has always being very fast and as responsive as my cell ...
3
votes
1
answer
1k
views
Why is my mouse lagging over Thunderbird / Firefox window?
In Thunderbird 31.5.0 I noticed an annoying mouse delay/stutter when mousing over the email list or folder pane. At the same time I see a CPU spike of about 25% (older WinXP dual core system).
Why ...
0
votes
1
answer
4k
views
Why does my browser cache fill up so fast? [closed]
So on my second desktop there seems to be a problem with the browser cache.
To clear up the cache i'm using this program called ccleaner. Helps me alot keeping everything clean. Recently the browser ...
0
votes
1
answer
1k
views
Firefox unbelievably laggy on dell laptop
I own a Dell XPS 15 (2014 model), running windows 8.1, where firefox has always been slow and sluggish. I haven't been able to solve the issue through google.
One of the problems is that scrolling is ...
0
votes
0
answers
501
views
Sluggish Flash/HTML5 in Firefox 30.0
There are websites that have video playing back in the backround and removethebackground.com is one of those sites. This kind of effect slows browser's response almost to a crawl unless I switch to ...
93
votes
2
answers
46k
views
Is there a way to identify the busy (CPU-consuming) tab in Firefox? [duplicate]
Sometimes there's a nasty, guilty, CPU-hogging tab in Firefox that's maxing one of my CPU cores and making the whole browser sluggish. I'd like to find it and close it.
Sometimes I get lucky, but ...
2
votes
2
answers
1k
views
Firefox bottleneck with lot's of tabs open?
I'm currently using Firefox 28.0 on a windows 7 system on a SSD. Sometimes, when I do some research, I open about 180+ tabs on my machine. This makes firefox super slow, without using the SSD or CPU ...
0
votes
1
answer
719
views
Why is Firefox Using 2 Gigabytes of RAM?
I have version 26.0. Firefox uses 2 gigabytes of RAM minimum with only one tab open. I've tried uninstalling add-ons, disabling plug-ins, everything, but nothing helps. What do I do?
0
votes
0
answers
76
views
hundred-tab friendly Mozilla w/ no continuous javascript
I often have hundreds of tabs open in many windows in Mozilla, and, after a while, it starts consuming significant amount of CPU for these dormant pages, and each new window and page takes a very long ...
4
votes
3
answers
6k
views
Firefox: slow visual performance and high CPU usage
My Firefox(24.0) is currently suffering quite badly in terms of performance, no smooth flow scrolling(smooth scroll enabled), even the page loading favicon is not smooth, CPU usage is high and video ...
2
votes
4
answers
2k
views
Firefox changing tabs is slow
How can I diagnose the problem behind the delay I get when changing tabs in Firefox? It is up to about 1.5 seconds.
To provide some background, I use three monitors and often have three Firefox ...
0
votes
1
answer
43
views
Firebug - turn of (deactivate) panels that are not used
I have all firebux panels on right now. There is one javascript application that horibly laggs when all panels are active.
So how do I turn panel (HTML, DOM, CSS, Net) off when I don't need one, but I ...
3
votes
0
answers
1k
views
When tab groups are loaded, Firefox becomes unresponsible for minutes (Unresponsive script)
I have several tab groups (~ 20) in Firefox. I can start the browser without any problems. However, as soon as I …
click at the "Group tabs" icon in the toolbar, or
right-click on a tab and hover ...
3
votes
2
answers
1k
views
Firefox 16.0.2 slows everything down in Windows 8
Firefox 16.0.2 (the latest version) was working ok when I installed it, but today the whole system slowed down and only worked intermittently and screens kept losing focus before I could type in ...
2
votes
1
answer
707
views
Low YouTube framerate while loading Windows 8 Firefox
I am getting terrible frame rates while trying to stream videos on YouTube, particularly HD and/or fullscreen ones, while using Firefox on Win8. However, once the video is fully buffered there does ...
3
votes
6
answers
4k
views
Addons which actually make Firefox run faster? [closed]
I would like to know of addons which actually enhance firefox's performance, both intentionally and unintentionally. I find that firefox tends to have major performance issues with certain websites. ...
0
votes
3
answers
1k
views
Lightweight ad-blocker for firefox [closed]
On a old machine (512 MB RAM) I am currently running ubuntu jaunty and firefox 3.0.15. I tried the ad blocker addon add block plus but it eats lots of RAM (>300 MB).
Is high memory load of this add-...
4
votes
1
answer
595
views
Firefox not using cache?
Some times I have issues with the wireless connection where I live. That issue is irrelevant to this (there are two IT departments managing this thing; there's nothing I can do about it). Most of ...
1
vote
2
answers
3k
views
Faster two way Boomark/History Sync for Firefox?
I need a fast automatic two-way bookmark & history sync.
Firefox sync seems too slow because I might bookmark/visit a URL then within a few mins put desktop to sleep and leave the house; if it ...
0
votes
1
answer
76
views
Firefox performance of web pages
I know a thing called firebugs exists but I am looking for any other firefox plugin that gives useful performance information. What I would really like is something that would record my clicks and ...
0
votes
1
answer
375
views
Iceweasel 8.0 extremely sluggish in Debian Squeeze
My installation of Iceweasel is extremely sluggish in Debian Squeeze. CPU usage by /usr/bin/Xorg seems to spike when doing very simple things like switching empty tabs, opening new tabs, scrolling. ...
3
votes
1
answer
3k
views
Why is the firefox so slow over `ssh -XC`?
If I compare Firefox to other browsers like Chrome or Epiphany, Firefox takes ages to load and behaves very slow. Why? I would like to use Firefox instead of others, in order to use my environment, e....
2
votes
1
answer
1k
views
Does a full cache slow down firefox page loading speed?
On the road i had to use a slow (64kB/s) internet connection with firefox 6. Max. cache size is 250 MB. While i never had problems with full cache on DSL connections and page loading speed, on very ...
0
votes
1
answer
52
views
How can I get my Firefox Addons page to display again?
My Firefox has lately been significantly slower than usual.
I wanted to see if I could delete an add-on that might be causing the problem but when I click on add-ons, it never shows me the add-on ...