Method and computer system for determining advertising content item about product or service to be displayed together with information about advertising channel based on search keyword

A computer system for determining an advertising content item associated with a search term, comprising:

• at least one processor configured to execute computer-readable instructions included in a memory,
• wherein the at least one processor is configured to,
• manage registration of advertising channels by advertisers on a platform and settings for displaying an advertising content item for a product or service being sold through each of the advertising channels in association with information on each corresponding advertising channel,
• determine a first advertising channel associated with a search term entered by a user among the advertising channels, an advertising content item for a product or service being sold through the first advertising channel being set to be displayed in association with information on the first advertising channel to be displayed in association with the first advertising channel, and
• determine a first advertising content item for a product or service associated with the search term among products or services being sold through the first advertising channel to be displayed in association with the information on the first advertising channel.