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Internet is really slow over a home Wi-Fi router using Firefox; speeds up dramataically if using Internet Explorer. WHy?

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  • Last reply by kslutsky

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For months I have been battling with slow internet connection speeds with my Wi-Fi router at home. I have changed everything and tested every alternative configuration. I have even changed the router. In the end I have worked out it is not the router, or the OS, or the windows user account that are the problem. It is using Mozilla Firefox. I really want to carry on using Firefox but I cannot. Using Fiirefox I might get a connection speed of about 500Kbs; using IE I get the full 10 Mbs that my ISP (cable) gives. It is not consistent: the problem comes and goes. But when the problem is there, it can be fixed by stopping using Firefox and using IE instead. Why could this be?

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The default of the pref network.http.max-connections has been increased from 30 to 256 in Firefox 6+ versions.

Try to decrease the value of the pref network.http.max-connections from 256 to 30 as used in Firefox 3 versions.

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I had a similar problem. Try disabling IPv6 by setting network.dns.disableIPv6 to true in about:config