So Much "Unknown"?

Looking at my domain’s analytics, I’m stunned by how many stats are dominated by unknown values. 71% of all visits are using unknown operating systems and unknown browsers. Additionally, 85% of visits have no referer.


What might be causing these huge gaps in the data? I really doubt that 70%+ of our site visitors are taking exceptional privacy measures, which leads me to believe that something with Cloudflare is off. Or, alternately, I’m just totally misunderstanding.


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So, to summarize, if I understood: it is plausible that the huge volume of “unknown” browsers and operating systems in my logs are unrecognized bots?

If you are not sure whether there are real visitors among them, you could start with a JavaScript challenge.