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Firefox is going slow (But other web browsers don't)

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  • 1 has this problem
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  • Last reply by Christian

Christian
Christian
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I'm running Mozilla Firefox for Ubuntu 74.0

For some reason it is running really, really slow. Loading a page like Youtube takes more than 10 seconds. At first I thought it was an internet problem, however speed tests shows 60-70Mbps download speed. I tried using Chrome and it is considerable faster tan Firefox. (For example, Chrome takes 2-3 seconds loading Youtube). I tried restarting Firefox, disabling all extensions, but it didn't help.

As last choice I decided to remove Firefox, then I deleted the /.Mozilla folder. I rebooted my pc and then installed a new fresh Firefox. It didn't help at all. I don't have any idea of why is this happening, I don't use any proxy or firewall and I'm not used to Chrome.

Thanks for your help in advice.

I'm running Mozilla Firefox for Ubuntu 74.0 For some reason it is running really, really slow. Loading a page like Youtube takes more than 10 seconds. At first I thought it was an internet problem, however speed tests shows 60-70Mbps download speed. I tried using Chrome and it is considerable faster tan Firefox. (For example, Chrome takes 2-3 seconds loading Youtube). I tried restarting Firefox, disabling all extensions, but it didn't help. As last choice I decided to remove Firefox, then I deleted the /.Mozilla folder. I rebooted my pc and then installed a new fresh Firefox. It didn't help at all. I don't have any idea of why is this happening, I don't use any proxy or firewall and I'm not used to Chrome. Thanks for your help in advice.

Modified by Christian

All Replies (2)

user104147805413306348376805769878442569366
user104147805413306348376805769878442569366
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If you suspect Extensions might be causing a problem, be sure to: Disable your extensions, then, Restart Firefox and try again.

Christian
Christian Question owner
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The problem was the DNS.

I do not know why, but I changed my router DNS from 0.0.0.0 to 8.8.8.8 and firefox is now fast as chrome.

Thanks for your help.