GNU/Linux Desktop Survival Guide
by Graham Williams
091102 If you notice that browsing in Firefox is slow, yet you have a fast internet connection, try telling Firefox not to use the IPv6 protocol. Older network routers may not be supporting IPv6, and this slows down DNS lookup when they are asked to serve DNS. To disable IPv6 in Firefox go to about:config, and double click the line that says
This works for Firefox, but not for Chrome.
091102 To fix this globally for a local home network then through the Network Manage application edit the eth0 connection to specify that the router should not be a DNS server (by removing it - e.g. remove 192.168.0.1, or whatever, depending on your local network). Or edit /etc/resolv.conf.