In the example URL, "No detailed statistics for anonymous users are available for this wiki (performance reasons)". This and several other reports are perfectly ok and useful, but disabled only because the machine they've been run on for several years wasn't powerful enough.
I'm sure the WMF can now easily provide Erik with a spare server no longer used elsewhere with a faster CPU, or perform whatever micro-improvements are needed to give us back these crucial stats, even before Kraken and all the other analytics beasts are freed.
Version: unspecified
Severity: major
URL: http://stats.wikimedia.org/EN/TablesWikipediaES.htm#anonymous
See Also:
https://bugzilla.wikimedia.org/show_bug.cgi?id=46212
https://phabricator.wikimedia.org/T60826