http://snippets.bentasker.i2p/posts/javascript/make-the-browser-preconnect-to-a-domain-via-javascript.html
But, what if you need to do something different? In MISC-35 I decided to embed a search box into various sites (for example, this one ) that would take the user to a third party search engine with a site: operator prepended to the query The only problem was, that the search would take longer than comfortable to run, as upon hitting "Search" the browser would need to resolve DNS, connect, do a HTTPS handshake and then place the necessary request It's possible to work around...