This is a placeholder for bitcoind-observer.
I plan to fill this in, once I get the time to do so.
January 31, 2020
transactionfee.info (2020 version)
The website transactionfee.info shows Bitcoin protocol layer statistics.
This includes statistics about Bitcoin transactions, their in- and outputs, about blocks and Bitcoin scripts.
The project is a joint effort with Bitrefill CEO @ziggamon.