Application service provider featuring application programming interface (API) software; Application service provider, namely, hosting, managing, developing, analyzing, and maintaining applications, software, and web sites, of others in the fields of advertising and marketing; Providing temporary use of on-line non-downloadable software and applications for enter, access, track, manage, monitor and create information and reports regarding website traffic; Software as a service (SAAS) services featuring software for real-time website visitor tracking and reporting, for generating data-driven audience insights, for real-time notifications management, for data analyzing; User authentication services using single sign-on technology for online software applications