Right Usage of Canonical Tag

[Paul]

If you want <!-- m --><a class="postlink" href="http://www.example.com">http://www.example.com</a><!-- m --> instead of <!-- m --><a class="postlink" href="http://www.example.com/index.php">http://www.example.com/index.php</a><!-- m --> then you must put the canonical tag in to the <!-- m --><a class="postlink" href="http://www.example.com">http://www.example.com</a><!-- m -->

Here is a link about how canonical tags operates : <!-- m --><a class="postlink" href="https://moz.com/blog/canonical-url-tag-the-most-important-advancement-in-seo-practices-since-sitemaps">https://moz.com/blog/canonical-url-tag- ... e-sitemaps</a><!-- m -->

Here is a link about you should use canonical tags: <!-- m --><a class="postlink" href="https://support.google.com/webmasters/answer/139066?hl=en">https://support.google.com/webmasters/a ... 9066?hl=en</a><!-- m -->