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Firefox Performance Without IPv6 DNS (Wednesday, February 1, 2006)

After several weeks of struggling, I finally found the answer to the incredibly slow initial page loads in Firefox on Ubuntu Linux. There's an about:config setting to disable IPv6 DNS lookups. Set network.dns.disableIPv6 to true. That quickly reduced initial page loading time from around two minutes to fewer than four seconds (and I know that because a page load timer is included with the FasterFox extension, which I installed in an earlier effort to fix this problem). Ahh, the sweet smell of success and faster page loads.

—Brian (2/1/2006 10:42 AM)
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