1. A method for performing a search in a browser, comprising: receiving one or more keywords entered by a user in a current search engine through the browser; based on the keywords entered in the current search engine, searching data from the current search engine; displaying a search engine results page from the current search engine to the user; when detecting that an operation event of the user in the search engine results page meets preset switching criteria, displaying alternative search engines; extracting a search web address template corresponding to an alternative search engine selected by the user; loading the keywords entered in the current search engine into the search web address template corresponding to the alternative search engine to search data from the alternative search engine; and displaying a search engine results page from the selected alternative search engine.