According to Cas Abbé, five free crypto websites—DeFiLlama, among others—provide essential analytics such as total value locked (TVL), decentralized exchange (DEX) volume, and active protocol statistics, which are crucial for making informed trading decisions. These resources enable investors to track real-time on-chain data, monitor DeFi trends, and analyze liquidity flows, supporting more accurate market timing and risk management strategies. For crypto traders, leveraging these platforms can lead to improved portfolio performance and a competitive edge in volatile markets (Source: Cas Abbé via Twitter, June 4, 2025).