The outbreak ofthe covid-19 virus has caused many listing andfunding
companies to go bankrupt, J-trust olympindo multifinance is one ofthe companies
experiencing the impact of covid 19, so that the company can survive, the company
is looking for other ways to get additional income, namely by venturing into online
grocery store sales, here the author provides a solution using a web-based
application and to realize this. So the purpose of this paper is to design and build
a web-based application with a codeigniter framework using the waterfall method
and a database using a MYSQL database. Programming language using PHP. The
design includes Use Case Diagrams, Activity Diagrams, class diagrams. Testing
the application using the Black Box testing method,functionally has been declared
successful. And based on the test results using the System Usability Scale (SUS), a
score of 70.75 has been obtained with a value above the average so that it can be
accepted by users.
Keyword: Online grocery store, Codeigniter, PHP programming language, Sus