The new Chrome introduces a "preemptive rendering" feature that will automatically begin loading and rendering a page in the background while the user is typing the address in the omnibox (the combined address and search text entry field in Chrome's navigation toolbar). The preloading will occur in cases when the top match generated by the omnibox's autocompletion functionality is a site that the user visits frequently.
Read about it here:
http://arstechnica.com/business/news/20 ... mpaign=rss
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