Checking uniqueness..

[Dolores Bernier]

What are the best ways to check an article is unique or how unique it is? (not manually of course) I know about the copyscape api but is there anything else comparable and preferably free? Any suggestions for directly calculating uniqueness of a rewrite when I have the original article? Instead of using some external service..

 

[Mr. Tereon]

You can search parts of article via google and check found snippets.
Or use http_plagium_com