1. A computer-implemented method for prerendering using a search results page, the method comprising: receiving, using one or more processors, at least one search result in association with the search results page in response to a search query, each search result having network content; identifying, using the one or more processors, one or more prerendering instructions embedded within the search results page, the prerendering instructions indicating a likelihood that each search result will be accessed; identifying, using the one or more processors, particular search results for which the network content should be prerendered based on the likelihood; prerendering, using the one or more processors, at least part of the network content of the identified search results in accordance with the prerendering instructions; determining, using the one or more processors, whether a given one of the identified search results is accessed; and when the given search result is accessed, providing the prerendered part of the network content of the given search result.
2. The method of claim 1 , wherein the providing comprises swapping the prerendered part of the network content into an active browser instance.