Internet browser cache (called cache) - a mechanism for storing all documents indexed by the search engine online. The aim is to improve the speed of access to information that is likely to be needed in the near future. Websites and content are both indexed and copied and stored in the cache. Through this mechanism, the user can go directly to the search results page or on the saved copy. Go to a page is usually when the party itself for some reason does not work, or when access to it is a threat to your computer.
The content and a copy of the cached search engines may differ from
each other because of the time by copying the contents of crawlers page
may have been changed, and the changes have not been saved by the search
engine.
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