Roblox performance Measure before optimizing. Identify whether the bottleneck is server compute, client compute (CPU/GPU), memory, network, or load time, then use the matching tool. Tools | Tool | Open | Use for | | --- | --- | --- | | Developer Console | F9 (in game) | Errors, server/client memory by category, network, script activity. Works in live servers. | | MicroProfiler | Ctrl+Alt+F6 (⌘⌥F6); Dev Console for server | Per-frame timing; spikes; dump a frame for detail. | | Script Profiler | Studio / Dev Console | Which functions consume Luau time (sampling). | | Luau heap snapshots | Dev…