Abstract: A method for reducing time to download a web page includes storing a web page and its expiry time, and checking if the web page is expired according to its expiry time after a client delivers a request to a server to download the web page. If the web page is not expired, the server will directly transmit the web page. If the web page is expired, the server will execute programs again to update the web page, and then transmit the updated web page.

Abstract: A method for managing a website group is provided. The website group includes a main website and at least one sub-website. The method includes steps of (a) providing a database, (b) configuring a data storage area for being accessed by the main website and the sub-website, (c) sharing a first message shown on the main website the with sub-website via the data storage area, and determining whether the first message is shown on the sub-website, and (d) sharing a second message shown on the sub-website with the main website via the data storage area, and determining whether the second message is shown on the main website.

Abstract: A twice click method for processing a data in a web page is provided. The method includes steps of providing a function menu and an operating button group, clicking the function menu and inputting an index for the data, selecting an executing button from the operating button group, and clicking the executing button to execute a specific operation for the data.