 They also claim having more visitors travelling from expired domains to a website can improve Search Engine Results Pages (SERPs) and Alexa rankings which both play an important role in Search Engine Marketing (SEM).A domain auction website provides the technology through which users can list or purchase multiple domains easily and conveniently.Domain parking, once the most efficient method for advertising a domain for sale, allowed a domain owner to post the availability of the domain on a page, hoping someone who was interested in that name would surf through and see it listed for sale.