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Google announced Chrome 17 today; their top advertised feature was a prerender feature for the omnibox.

When you start typing in the omnibox and the URL autocompletes to a site you’re very likely to visit, Chrome will prerender the page, so it will appear faster--sometimes, even instantly--as soon as you hit Enter.

But, I can't get it to work. I monitor my network traffic (using Charles) and type "google.com" in the omnibox, waiting for some magic to happen; nothing. It autocompletes as soon as I type "go", but it doesn't prerender.

Same for "facebook.com" ("fa") "stackoverflow.com" ("st"). The network traffic only starts once I hit Enter.

Is there some way to force it to prerender for certain pages?

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Are you sure you are using the latest version? – Synetech Feb 8 '12 at 20:23
    
"Google Chrome is up to date (17.0.963.46)" – Dan Fabulich Feb 8 '12 at 20:53

Web Developer's Guide to Prerendering in Chrome says,

Beginning in Chrome 17, Chrome itself will initiate prerendering in some cases, based on the user's interactions with the address bar.

So I dont think it'll work always. Use it for sometime. Maybe it'll prerender the pages you visit most.

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It performs the analysis based on the history. If he has already been using Chrome for a while, then that is not the problem. – Synetech Feb 8 '12 at 20:24
    
Yes. I've also seen prerendering while searching at google.com, where you search for a query, wait couple of seconds and the top result usually gets prerendered. – Bibhas Feb 8 '12 at 20:27
    
@Synetech Yeah, I have been using Chrome for years. – Dan Fabulich Feb 8 '12 at 20:53

You can check which URLs are likely to be prerendered by going to chrome://predictors in Chrome 20 or later. This page shows which URLs Chrome thinks you might navigate to after entering particular text in the Omnibox.

Similarly, you can use chrome://net-internals#prerender to find out when a site is being prerendered.

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