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The thing with external SEO analytic sites is that you can never be sure how much you can trust their data, meaning by that how accurate they are and how much estimation is pondered into the numbers.
Take for example a simple indicator in the provided stats: Montly Unique Visitors: 1.2M. I’m assuming that those unique visitors are unique IPs.
Lets compare with some inner forums stats that are available here:
https://bitcointalk.org/adrotate.php?adstats (and summarized here from a historical perspective:
[Chart] Bitcointalk statistics on impression counts for ads).
The Adstats for a 10 day period, If I’m interpreting them right (*), point at 85K IPs from logged-out users, and 11,5K logged-in users over a nearly 11 day period. If we triple that to roughly equate a month’s reading, the best case scenario would point to 255K IPs and 34,5K logged-in users. Now we know those numbers are really more likely something like 120K IPs and 20K logged-in users (people log in over the 3 x 10 day periods I tripled to get the best case scenario). That renders a total
around a tenth of that external site’s measure for the Montly Unique Visitors ...
(*): The forum Ad stats provide data for 10 different ads per round (10 days aprox.), not an aggregate overall distinct set of values for them. It’s difficult to tell if one person will see one, a few or all those adds, and will therefore be counted in one or multiple Ad Slot stats. I’m assuming that people tend to see all the adds over a 10 day period in general, and thus the data for one slot will be representative for the 10 day period (that is not so for very sporadic, very quick forum visits).
