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I have a 600 Mbps internet connection with Infinity. It measures the speed on Chrome, through my router, however, Firefox only measures the internet speed at approximately 400Mbps. Firefox is slow. I have done all thing suggested to make Firefox perform better. What has happened to this browser? Also the Browser when loaded with too many tabs freezes and has to be forced quit. I started using Vivaldi that measures over 600Mbps. Comments. My laptop is a older iMac that still works perfectly running High Sierra. No more Mac's, Apple has lost it way on producing computers, and has defaulted itself to a phone company.

Attached is a screen shot that shows Firefox trying to measure the speed, but the test has frozen, will not complete.

Haven't changed any settings. On two accounts, both hosted at heart internet, today I've started getting Certificate errors - check your settings in android notifications. Mails appear in sent but are not going out, no incoming mail.

Another account with the same settings and host is still working fine on bluemail.

I can't find any useful settings or diagnostics to check.

Other accounts using Hotmail are still fine.

Ideas?

Martin/

Hi there my default browser is Firefox Mozilla but certain sites open very slowly or not open at all. All things I did were clean the cache, reinstalling Mozilla software but nothing works and its a bit frustrating. Also Adblock Plus wont work on you tube. Thank you in advance Kuba

Whilst viewing news stories in Google, I keep getting pages that do not load, so I go to settings – apps- Firefox, scroll down to memory and clear the cache. I go bag to Google new click the link and most of the time I am taken to the page and can read the article (but not every time). But the page not loading happens frequently and it is becoming a pain having to clear the cache over and over again. Is there a shortcut I can use to reach Firefox memory or is there a way of stopping Firefox to clear the cache as it is created.

My FF browser freezes, suddenly closes all tabs, expands fonts, etc etc All else in my system is normal. Should I just use the default MS Edge and be done with it?

I can open pages but when I click on the subject it doesn't open. Tells error with net work connection, it's like this with email,YouTube and Gmail, twitter. Thank you.

Thunderbird 138/139, Windows 11 Pro 23H2. While composing a message, after a few lines the app freezes. Both the compose window and the main TB window freeze. Only opening the Windows Task manager allows me to close them. This did not happen with earlier versions.

If I save the message every few seconds while composing I can get most of the message back and continue after restarting TB. This behavior is the same in both the normal and troubleshooting TB modes. I can't even find a crash log to send to Mozilla.

Where shall I look next?

Thank you!

Sending this using Safari because Firefox is totally messed up. Firefox 115.24.0esr (64-bit) OSX 10.13.6 High Sierra 2011 Mac Power Book (MPB) with 16 GB RAM. Verizon DSL line, download speed tests from 10-14 Gb/sec but Latency is always 400-900+ msec. No way to measure Jitter with speedtests that will run on my older system, or Bufferbloat now that DSLreports has gone dark.

I want a tool that will allow me to see all the attempts to connect, and packets/traffic, to see it its my old computer going bad, Firefox, the wireless or wired connection to the DSL modem/router, or the DLS modem/router itself, such as a problem with reaching the Domain Name Server (DNS) etc.

I can access the DSL modem/router in the browser, but there isn't much documentation. Its made by Actiontec but customized firmware for Verizon.

The problem persists whether I am using wifi or an Ethernet cable.

My wifes 2010 MBP computer with 8GB RAM using about 6.4GB, running High Sierra and Firefox 115.24.0 (esr) seems not to have the problem at all.

Firefox will show something in the lower left corner, "connecting to..." or "loading..." etc. It can stall with either status.

Search engines would be StartPage or DuckDuckgo. With DDgo, sometimes it just spins forever, but if I click on the URL bar, it drops down another line with the same URL and "--Visit" appended. Sometimes that will load, but seems random.

Some URLs / links open in a few seconds, some spin forever.

I first called Verizon Tech support on May22 about problems (see full exchange of repeated calls & new trouble tickets below). I think, IIRC, this happens to be shortly after I upgraded my Firefox version. They have admitted to PINGs not returning, packet loss, no excuse for the Latency.

I do have a lot of pages/tabs open; Activity Monitor says my memory use is about 14GB, but the Memory Pressure stays low in the green. I also run Thunderbird, TextEdit, maybe Adobe Reader and Excel. But even when I close everything else, the non-loading issue persists. When I shut down Firefox, the memory pressure can go into the red and take a very long time (so I always shut down all other apps first). A recent shutdown stalled & I ended up losing many open pages/tabs, but even the slimmed down load has the same problem.

I have shut off the AddOn NoScript, but the problem persists.

FILE: verizon DSL tech support WED 21MAY25 glacially slow web page connection

800-837-4966 AGENT DSL tech support

failing the PING reset my IP address still fails PING

trouble ticket MDHM03KR7A

2-3 working days for networking team to resolve

THUR 22MAY25 call back from networking guy. they raised the speed to 13.4 but latency still 28, he says should be 15 max. Asked him to optimize by reducing download speed. will call back later or tomorrow.

For the last 2ish months, Firefox will refresh the page if I just place my finger on the screen.

If I put my finger on the screen (not swiping down) the refresh wheel will pop up and refresh the page.

It doesn't happen all the time, maybe once or twice a day, but it happens on every page and causes me to lose stuff like where I was on a page and what I was typing. It doesn't do it when the keyboard is up.

Any suggestion as to what's wrong with it?

I've downloaded the program to a second computer and put in my creditials and it's giving me an error "unable to log in at server. Probably wrong configuration, username or password." I've entered the correct info. Help

I use Firefox now a days. I had noticed a thing the webpage are not rendering properly in android or you can say not allignment properly (i had attached reference photo). And there should be improved in translation for language for japanese and hindi(not there in Firefox right now). So kind support the issue

Hi for some time now i have been having issues connecting to my website.. it loads every other site but when i try and load mine on firefox it comes up with no internet connection but my site works on other browsers.. anyone have any ideas on a fix for this ?

After updating Thunderbird to version 139.0.2 Thunderbird can't connect to my E-Mail provider! Getting error massage saying “user name or password are wrong!” It happening on my PC with windows10 Pro and the same on my laptop with windows 11 Pro. On my browser or my mobile, I can connect without any problem to my e-mail provider. After consulting my provider, his suggestion was to try installing my account again. I did but it didn’t work (same error) I tried installing older version which Thunderbird was functioning on. It didn’t work either. Even that I cleaned my PC from Thunderbird totally. To clear this point on Versions 139.0 and 139.0.1 Thunderbird function as always before. Up to now any Thunderbird update took automatically the existing setting without any problem. Any information how to solve my problem? Thanks.

I am presently engaged in the development of a website. I regularly open it with Firefox Android after making changes. I have noticed that even after deleting the entire history and reloading the page, the old navigation links still appear, although they have been partially replaced or deleted on the page.