; (B) compliance with applicable commercial accessibility standards; (C) capability to support modern versions of multiple, common web browsers; (D) capability to be viewable across commonly used end user devices, including mobile devices; and (E) built-in application monitoring. (e) Program schedule The Secretary shall ensure that each selected activity includes— (1) award processes that take no longer than 3 months after a requirement is identified; (2) planned frequent and iterative end user validation of implemented features and their usability; (3) delivery of a functional prototype or minimally viable product in 3 months or less from award; and (4) follow-on delivery of iterative development cycles no longer than 4 weeks apart, including security testing and configuration management as applicable. (f) Oversight metrics The Secretary shall ensure that the selected activities— (1) use a modern tracking tool to execute requirements backlog tracking; and (2) use agile development metrics that, at a minimum, track— (A) pace of work accomplishment; (B) completeness of scope of testing activities (such as code coverage, fault tolerance, and boundary testing); (C) product quality attributes (such as major and minor defects and measures of key performance attributes and quality attributes); (D) delivery progress relative to the current product roadmap