The COVID-19 pandemic has tackled global sustainability without prejudice or geographical constraint. It has also prompted people to advance to the post-pandemic era. However, it is possible that in the future, extreme negative effects in response to crisis, especially during a pandemic, would recur. In fact, it might worsen. This situation has forced the education sector to adjust its teaching and learning approach in order to implement a new solution based on a selected component, namely assessment. In such case, the implementation of assessment has been activated for online learning platform. Hence, it is crucial to refer and study the current environment mode of the E-Assessment model in view the of the model development perspective and the features of the assessment concept for model development. The seven features that make up the degree of assessment conceptual dominance in online learning are authenticity, responsiveness, practicability, adaptation, transparency, alignment, and affordance. In accordance with the overall analysis of the conceptual features, the possibility of frequent and synchronized usage may be extended in detail for further investigation. [For the full proceedings, see ED654100.]