If you feel the chain is getting slow, sometimes it can help to change your RPC URL. Below are some of the most populair ones.
https://rpc-mainnet.matic.network or https://rpc-mainnet.maticvigil.com or https://rpc-mainnet.matic.quiknode.pro or https://matic-mainnet.chainstacklabs.com or https://matic-mainnet-full-rpc.bwarelabs.com or https://matic-mainnet-archive-rpc.bwarelabs.com