Abstract: The present invention discloses a mobile web cache optimization method including the steps of: 1) crawling the resource information in the mobile web application by a server; 2) mapping resources having the same content but different URLs to a same resource; 3) selecting a stable set of resources to configure in the cache resource list; 4) setting a JavaScript runtime library, invoking a call to the runtime in each target page; 5) generating a proxy page for each target page, redirecting URL of a target page to the corresponding proxy page, and when a target page is accessed, querying the resource mapping file according to the requested resource, and retrieving the matching cache resource from the cache resource list to load onto the proxy page. The disclosed method saves the access time and reduces data traffic of the mobile web application and improves user experience of the mobile devices.