Why does FoxyProxy enable network.dns.disablePrefetch?
DNS prefetching is a feature of Firefox which increases page-load performance. You can read about it here. FoxyProxy disables DNS prefetching under certain conditions. It does this because DNS prefetching does not respect proxy rules. In other words, if DNS pretching is enabled but you want DNS lookups to occur through a proxy server, you’re out-of-luck. As of FoxyProxy 2.21, DNS prefetching is disabled if: 1. FoxyProxy is not disabled AND 2a. FoxyProxy is set to “Use Proxy XXXX for All URLs”. Proxy XXXX has the checkbox (on the “General” tab) “Perform remote DNS lookups on hostnames loading through this proxy” checked OR 2b. FoxyProxy is set to “Use proxies based on the pre-defined patterns and priorities”. One or more of the ENABLED proxies have the checkbox (on the “General” tab) “Perform remote DNS lookups on hostnames loading through this proxy” checked. An enabled proxy is one whose “Enabled” checkbox is checked (this checkbox is also on the General tab) Earlier versions of FoxyP
