It detects if you're using Turbowarp. In case you don't know what's Turbowarp (turbowarp.org), it's a website that runs scratch projects faster and it even includes some features scratch doesn't have. Try https://turbowarp.org/1232637598 to see what happens if you use Turbowarp. Try https://scratch.mit.edu/projects/1232637598/ to see what happens if you don't use Turbowarp.
