BIP158 filter size: Charts showing the cumulative BIP158 filter size
Blockchain size: Charts showing the blockchain size (only blocks)
Number of inputs and outputs: Show how many txs have A input and B output
OP_RETURN per month: Charts showing the number of OP_RETURN scripts and fee spent per month.
OP_RETURN protocols: Protocols just mean the first 3 bytes of the OP_RETURN data, which can indicate the protocol but it's not an enfoced rule by the Bitcoin consensus.
OP_RETURN sizes: Chart showing the distribution of the sizes of the OP_RETURN scripts since inception.
Rounded amount: Charts showing the number of outputs which have a rounded amount as value (multiple of 1000)
Script types: Charts showing the script types per month.
Native segwit multisig: Analyze segwit input scripts counting the occurence of the NofM
Number of sighash type used: Show distribution of sighash type used
Spent in the same block: Charts showing the number of output which are spent in the same block they are created