- Plesk Onyx for Windows
Web statistics shows incorrect number of unique visitors and visits, when the option Disable IP logging in IIS, FTP and mail logs is enabled at Tools & Settings > Server Settings.
When this option is enabled, there is no information about client IP addresses stored in logs, that is why web statistics may show incorrect information about visitors (because it cannot distinguish them by other factors).
The feature of anonymizing IP addresses in logs instead of disabling them is not implemented in Plesk yet. Take part in our product improvement by voting for this Feature request in our Plesk UserVoice portal.
The top-ranked suggestions are likely to be included in the next versions of Plesk.