ABSTRAK Tujuan penelitian ini adalah untuk mengetahui pengaruh performance aplikasi online terhadap consumer purchase intention melalui role of buyer perception sebagai variabel mediasi. Sedangkan objek penelitian ini adalah performance eaplikasi gojek sebagai variabel independent, role of buyer perception sebagai variabel mediasi dan purchase intention sebagai variabel dependent. Performance aplikasi merupakan kinerja sebuah aplikasi Gojek dalam memenuhi kebutuhan pelanggan dan calon pelanggannyaMetode pengumpulan data yang digunakan adalah kuesioner sebagai instrumen penelitian, yang mana sampel dalam penelitian ini yaitu sebesar 100 orang. Data yang sudah terkumpul di analisis menggunakan software SmartPLS 3.0. Hasil dari penelitian yang dilakukan menunjukkan bahwa Performance Aplikasi memiliki pengaruh signifikan terhadap Purchase Intention, Performance Aplikasi memiliki pengaruh signifikan terhadap Role of Buyer, role of buyer tidak berpengaruh terhadap purchase intention, dan role of buyer tidak memediasi pengaruh performance aplikasi terhadap purchase intention. Kata Kunci: Performance Aplikasi, Purchase Intention, Role of Buyer ABSTRACT The purpose of this study was to determine the effect of online application performance on consumer purchase intention through the role of buyer perception as a mediating variable. While the object of this research is the performance of the application of Gojek as an independent variable, the role of buyer perception as a mediating variable and purchase intention as a dependent variable. Application performance is the performance of a Gojek application in meeting the needs of customers and prospective customers. Data collection methods used are questionnaires as research instruments, in which the sample in this study is 100 people. Data that has been collected is analyzed using SmartPLS 3.0 software. The results of the research show that Application Performance has a significant influence on Purchase Intention, Application Performance has a significant influence on the Role of Buyer, the role of buyer has no effect on purchase intention, and the role of buyer does not mediate the effect of application performance on purchase intention. Keywords: Performance Application, Purchase Intention, Role of Buyer