I track it via Google Analytics -> here's a screenshot of the last few months [0]. Traffic has been pretty steady over time with a few spikes from Hacker News or Twitter mentions. I believe the most recent spike in traffic is related to the 51% attack against Vertcoin [1].

[0] https://i.imgur.com/UwFrpgs.png

[1] https://bitcoinist.com/vertcoin-vtc-51-attack-100k-double-sp...