What is Block Size? - Tokenview Block Explorer
Block size represents the ability of a block to hold data for a certain period of time. Each block of the blockchain is used to carry data within a certain period of time, and each block is connected in chronological order using cryptography technology to form a complete distributed database.
Tokenview block explorer enables you to search every block size of 100+ blockchain such as btc blockchain, eth blockchain. However, you can view daily block size from a the charts, just click the websites: https://btc.tokenview.com/en/chart/blockSize