Abstract: A managing device (10) includes an editor (11) that causes a store to edit a product page for the store to sell a product, and to allocate a category name to the product page, a presenter (12) that searches a result page matching a query entered by a customer through the edited product page, and presents the result page to the customer, a register (13) that registers, when the product is purchased by the customer through the presented result page, a character string contained in the query with a page history in association with the result page, and a calculator (14) that calculates, based on a registration frequency with the page history for the category name allocated to the result page in association with the page history, a parameter indicating whether or not the allocation of the category name to the result page is suitable.

Abstract: A managing device (10) includes an editor (11) that causes a store to edit a product page for the store to sell a product, and to allocate a category name to the product page, a presenter (12) that searches a result page matching a query entered by a customer through the edited product page, and presents the result page to the customer, a register (13) that registers, when the product is purchased by the customer through the presented result page, a character string contained in the query with a page history in association with the result page, and a calculator (14) that calculates, based on a registration frequency with the page history for the category name allocated to the result page in association with the page history, a parameter indicating whether or not the allocation of the category name to the result page is suitable.