What's your favorite Marketing Analytics tools/ resources/ people to follow?

for marketing newsletters how about these

1. https://marketingexamples.com/ by @harrydry
2. https://tldrmarketing.com/ by yours truly
3. https://zerotomarketing.com/ by @andreboso

I'd be doing myself a disservice if I didn't mention my own Twitter analytics tool arcademetrics.com (just launched on BETA).

For research on third party social accounts I use socialblade.com for a quick overview, and smartlook.com is great for analysing landing page visitor's habits!