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@gavvet has written many posts on it. There's also https://www.alexa.com/siteinfo/Steemit.com

@demotruk exactly what I was looking for, thanks for sharing. Alexa is very missleading...

Alexa has errors because of their sampling methods, but it gets more accurate with larger numbers (larger population areas, larger websites). It can be good enough in many cases.

@demotruk, agree... usually a website with a tech savvy user base ranks quite good on alexa even with low traffic. Thats why I was interested in some real data.