Duplicate content is content that appears on the Internet in more than one place. That “one place” is defined as a location with a unique website address (URL) – so, if the same content appears at more than one web address, you’ve got duplicate content.
When duplicate content is present, site owners can suffer rankings and traffic losses.
Fixing duplicate content issues all comes down to the same central idea: specifying which of the duplicates is the “correct” one.
Whenever content on a site can be found at multiple URLs, it should be canonicalized for search engines.
Let’s go over the three main ways to do this:
Using a 301 redirect to the correct URL,
the rel=canonical attribute,
or using the parameter handling tool in Google Search Console. RankChutney team can help you with the GSC