id,summary,reporter,owner,description,type,status,priority,milestone,component,version,severity,resolution,keywords,cc
23344,'preview' query var is not removed from post URL if a post has been published,amit,,"If a post has been published, it can be loaded via a URL containing 'p' & 'preview' query vars and a canonical redirect is not done to post permalink which results in two URLs with same content and causes a duplicate content issue with search engines like Google.

For example:

http://example.dev/?p=731

would redirect to

http://example.dev/post-slug/

but

http://example.dev/?p=731&preview=true

does not redirect anywhere & remains same. So if this URL is somehow indexed by search engines they would have two URLs with same content:

http://example.dev/post-slug/
http://example.dev/?p=731&preview=true

and thus the duplicate content penalization.
",defect (bug),closed,normal,,Canonical,3.5.1,normal,duplicate,,gabriel.koen@…