Googlebot’s Javascript random() function is deterministic
http://www.tomanthony.co.uk/blog/googlebot-javascript-random/ [www.tomanthony.co.uk]
2018-02-07 21:29
I was conducting some experiments on how Googlebot parses and renders Javascript, and I came across a couple of interesting things about the way it does so. The first is that Googlebot’s Math.random() function produces an entirely deterministic series.
source: L