TY CONF TI KEY INDICATORS FOR WEB APPLICATION OPTIMIZATION KW optimization KW web application KW performance KW loading speed KW website loading speed JO CHALLENGING ISSUES IN SYSTEMS MODELING AND PROCESSES AU Oksyuta, O.V. AU Arapov, D.S. PY 2025 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov