This document analyzes reader activity on 4 Vietnamese digital news sites from June 25th to July 1st. It finds that: 1) Readers are most active on Mondays, with comment rates around 29-31% for most sites. Friday also sees high engagement for one site. 2) The peak hours for comments are between 4-5pm, with engagement rates of around 7-12% during this time. Morning hours like 8-9am also see high readership.