This document discusses various analytics and measurement metrics that are important to track, including: - Volume of communication with existing clients and growth in new prospects and inquiries - Number of website visitors from search engines and how many become prospects or join the mailing list - Performance of specific marketing communications by tracking responses - Key metrics for websites like visits, page views, bounce rate, and time on site - Integration of analytics tools like Google Tag Manager, Adwords conversion tracking, and call tracking to measure leads that become clients or cases - Use of a universal ID in analytics to track user interaction across sessions