Manual:$wgNoFollowLinks

From mediawiki.org
Parser: $wgNoFollowLinks
If true, external URL links in wiki text will be given the rel="nofollow" attribute.
Introduced in version:1.4.0 (r7174)
Removed in version:still in use
Allowed values:(boolean)
Default value:true

Details[edit]

If true, external URL links in wiki text will be given the rel="nofollow" attribute as a hint to search engines that they should not be followed for ranking purposes as they are user-supplied and thus subject to spamming. Defaults to true.

See also[edit]