Providing ETH/WBTC liquidity on Uniswap

I am interested in providing ETH/WBTC liquidity on Arbitrum. When I look at the top Arbitrum Uniswap pools, the Uniswap site lists ETH/WBTC as one of the top three. When I look at sites like https://uniswapv3.flipsidecrypto.com/, though, they only have WETH/WBTC listed. I know Flipside is reporting on ETH mainnet, but the same thing seems to be happening with mainnet and Arbitrum. What is the reason for the discrepancy between Uniswap reporting ETH/WBTC and other sites that analyze Uniswap data reporting WETH/WBTC? I want to figure which of the two is the best to provide liquidity to.