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.
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