Canonical URL Tag

What is the importance of Canonical URL Tag in SEO factor?

Canonical URL Tag for SEO Ranking

Rel=Canonical is also referred as "canonical link" or "canonical URL Tag". It is one of the HTML element in checking the duplicate content issues. When a website faces canonical issue, it means the site can be accessed from multiple number of URLs by the search engines. This is one of the negative ranking factor.

Using of "Rel=Canonical" tag may prevent Google in considering your sites duplicate content issues.
For example,
< link rel ="canonical" href = ""/>
This means that even though the page is the copy of the URL "", the search engine considers both the pages as one and all the link metrics flows back to that URL.

Related Topics

Google Ranking Factors