Find spider webs in abandoned mineshafts
Find spider webs in woodland mansions
Find spider webs in strongholds
Use shears to collect spider webs
Use a sword to break spider webs without collecting them
Place cobwebs with commands in Creative mode
Use the /give command to obtain cobwebs in Java Edition
Trade with a librarian villager in some versions for cobweb-related items
Loot spider webs from generated structures in your world