Currently we have a blanket Disallow in bugzilla's robots.txt. This is a bit rude, as it makes it harder to track down MediaWiki bugs.
It might be nice to allow at least plain bug views and let them get indexed.
Version: unspecified
Severity: enhancement
URL: https://bugzilla.wikimedia.org/robots.txt
See Also:
https://bugzilla.wikimedia.org/show_bug.cgi?id=33406