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Lua Optimizer
Performance Guide

Common Luau performance problems in Roblox scripts

This page stays high-level and practical. It is about warning signs users can recognize before they spend more credits or move into a heavier workflow.

Repeated polling everywhere

If the script constantly checks state in loops when a cleaner event-driven path would work, that is usually a warning sign.

Heavy work inside hot paths

Repeated expensive work in frequent paths can become a real problem before the user even thinks about stronger protection.

Messy wrapper stacking

When a script is already heavily wrapped, patched, or cluttered, readability and performance guidance both become harder.

Unclear failure points

If the user cannot tell whether the issue is the script quality or the workflow choice, an audit-first approach is usually safer.