If you want to speed up Minecraft and make it run faster on a low-end or bad computers, you can use these methods and tricks.

Need XP fast in survival? This tutorial shows you how to build the easiest mob XP farm in Minecraft 1.21+ — no spawner ...

When Minecraft has used all the memory allocated to it, you see Minecraft has run out of memory. Other reasons include insufficient RAM. background programs or processes, Mods, resource packs ...