Software as a service (SAAS) services featuring software for collecting, organizing, visualizing and analyzing user behavior on websites; Providing on-line non-downloadable software for web analytics; Providing on-line non-downloadable software for utilizing A/B testing of digital content and marketing strategies; Providing on-line non-downloadable software for integrating third-party data for the purpose of analyzing user behavior on websites; Providing on-line non-downloadable software for recording web user sessions; Providing on-line non-downloadable software for tracking website conversion sources; Providing on-line non-downloadable software for generating heat maps of website user behavior