Looks like a pretty helpful site! I know lots of people have a hard time adding those others networks to their Metamask.
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Chainlist-Quick add network to MetaMask.
As we know now, there are many blockchains with their networks. I want to share with you a site where all existing networks are provided for quick addition to MetaMask.
Select the network you need, and click Add in MetaMask. This shortens the add time to 1 second.