Changed website permalink structure. Old permalinks show as duplicate content in webmasters tools
10021
Duplicate title tags error in webmaster tools
36244
Duplicate flag links in 10k tools are broken
126867
Cleared all of my cache but still seeing old website
55466
Can the PerSite setting be switched to true so the shown metadata is consistent?
128805
Is there an easy way to replace duplicate files with hardlinks?
69149
"Linked" images get re-hosted by imgur - without any warnings!
63695
Pagination, Duplicate Content, and SEO
102499
Adding meta values to permalink
97199
The ability to link cross-site duplicates
37123
Migration message for per-site metas make no sense
65063
Why did the format of full-form URLs to answers change?
3059
How to replace plain URLs with links?
105400
What should we do about *identical* cross-site duplicates? (i.e., copy-and-paste cross-posting)
24486
International TLD's vs. duplicate content
107316
Renaming files works, but soft links point to the old names. How can I fix that?
114583
Should users be allowed to remove the "Possible Duplicate" links on closed questions?
136417
Does Rel=Canonical Pass PR from Links or Just Fix Dup Content