In Roblox, a Server Browser script is a custom system developers build to allow players to view and join specific active game instances, rather than relying on the platform's automatic matchmaking. This is commonly used in games with "hub" worlds or those requiring manual selection of regional servers. Core Technical Implementation
Reserved Server Browser - Scripting Support - Developer Forum Roblox SERVER BROWSER SCRIPT
to fetch server lists only when a player opens the UI, which saves bandwidth by sending data in "batches". Security and The "Server-Side" Context In Roblox, a Server Browser script is a
As with any script, there is a theoretical risk, but since this is a non-advantage script there is a theoretical risk