[Skripsi ini membahas korelasi antara usability (yang di dalam penelitian initerbagi menjadi pre-use usability dan user performance) dan web-designattributes terhadap preferensi pengguna website LCC di Indonesia. Penelitian iniadalah penelitian kualitatif dengan menggunakan metode statistik inferensial.Hasil penelitian ini menunjukkan bahwa ada hubungan yang erat antara usabilitydan preferensi pengguna website LCC di Indonesia, dan pre-use usabilitymemiliki hubungan yang lebih kuat terhadap user preference dibandingkan userperformance; seluruh atribut desain website LCC memiliki korelasi yang kuatterhadap user preference, dan user preference lebih dipengaruhi oleh aspekestetika dibandingkan struktur dan layout website LCC di Indonesia., This thesis aims to evaluate the correlation between usability (which in this studyconsists of pre-use usability and user performance) and web-design attributestowards preference of Indonesian LCC websites users. The data were collected byusing questionnaire and scenario-based time study. This study uses inferentialstatistic methods. The results show that there are strong correlations betweenusability and user preference, pre-use usability has greater correlation than userperformance to user preference, all of web-design attributes have strongcorrelation with user preference, and user preference is mainly affected byaesthetic aspects rather than the organization of structur and layout of thewebsites.]