Abstract: A method for reservation of sponsored search listing positions, including extending an offer to advertisers to purchase a fixed sponsored search listing position on a search results web page affiliated with a keyword, wherein a location of the fixed position is guaranteed to the advertisers for a fixed fee over a fixed duration during which the position will belong to a purchasing advertiser; reserving the fixed position related to the keyword for the fixed duration for an advertiser; receiving an advertisement from the advertiser to be positioned in the fixed position; storing the advertisement in a database; and serving the advertisement to the fixed position of the search results web page in response to a search query for the keyword each time the search query is executed for the keyword over a time period of the fixed duration.