How to check duplicate article?
 

How to check duplicate article:

To use copyscape tool to check duplicate content.

TO CHECK DUPLICATE CONTENT I THINK YOU SHOULD TRY SOME OF THEM;
Copyscape
DUPLICATE CONTENT CHECKER
PlagSpotter
Plagiarism Checker BY SMALL SEO TOOLS

Use the many types of content copy checker tools.

The check for duplicate contents,which tool is best for best plagiarism software is one of the best tool to check all the contents.

Duplicate content is the worst nightmare for any blog and it can cost you a lot if google founds duplicate content in your blog. Your blog can either get removed from the search engine or its ranking can be dropped for all your targeted keywords.

For more : Reference

copyscape
siteliner
solid seo tool plagraism checker

use seo techniques

copyscape
siteliner

You will have to use small SEO tools To check the duplicate content