How to Speed Up MetaMask Transactions

MetaMask uses a default node provider to display and send transactions for your account. Because the node provider does not allocate dedicated resources to each user, it may be slow sometimes, i.e. for transaction broadcasting.
Alchemy provides a much better experience when it is used as your MetaMask RPC provider. If you'd like to switch this over to Alchemy to be able to see your transactions in your Alchemy dashboard and use Alchemy specific features and tools, this doc will show you how to integrate your MetaMask account in two easy steps.
NOTE: This does not mean that Alchemy will have access to your private keys or wallet! 
For a video version of this doc, check this out:
1. Navigate to your MetaMask wallet and click the network dropdown at the top, selecting "Custom RPC" at the bottom
Click on "Custom RPC" at the very bottom of the network dropdown.
2. Fill in the required information
Make sure you use the correct Alchemy API URL for your desired network
Alchemy supported chains:
Network
RPC Base URL
Chain ID
Block Explorer URL
Symbol (optional)
Ethereum Mainnet
​https://eth-mainnet.alchemyapi.io/v2/<api key>
1
​https://etherscan.io/​
ETH
Ropsten Test Network
​https://eth-ropsten.alchemyapi.io/v2/<api key>
3
​https://ropsten.etherscan.io/​
ETH
Rinkeby Test Network
​https://eth-rinkeby.alchemyapi.io/v2/<api key>
4
​https://rinkeby.etherscan.io/​
ETH
Goerli Test Network
​https://eth-goerli.alchemyapi.io/v2/<api key>
5
​https://goerli.etherscan.io/​
ETH
Kovan Test Network
​https://eth-kovan.alchemyapi.io/v2/<api key>
42
​https://kovan.etherscan.io/​
ETH
Polygon (Matic) Mainnet
​https://polygon-mainnet.g.alchemy.com/v2/<api key>
137
​https://polygonscan.com/​
MATIC
Example Polygon Configuration
Example Ethereum Mainnet Configuration
And thats it! Your MetaMask is now hooked up to Alchemy 🎉 You've now unlocked game changing tools like the Mempool Visualizer (where you can view all your transactions as they are being mined), Alchemy Notify (receive notifications about address activity, dropped/mined transactions, etc.), and more!

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