Putri MA. Implementing and Analyzing Web Performance Testing for Universitas Terbuka’s Website with GTMetrix and Pingdom. JTSIA [Internet]. 2024 Oct. 31 [cited 2025 Apr. 10];7(4):1598-602. Available from: https://openjournal.unpam.ac.id/index.php/JTSI/article/view/45095