If you select this option, MediaWiki will periodically ping https://www.mediawiki.org with basic data about this MediaWiki instance. This data includes, for example, the type of system, PHP version, and chosen database backend. The Wikimedia Foundation shares this data with MediaWiki developers to help guide future development efforts. The following data will be sent for your system:
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The privacy policy for this feature can be seen at https://foundation.wikimedia.org/wiki/MediaWiki_Pingback_Privacy_Statement.
For more general information about this feature, see https://www.mediawiki.org/wiki/Special:MyLanguage/Manual:$wgPingback.
For aggregated pingback data, see https://pingback.wmcloud.org/.