Canonicalization describes how your URL is being used. Your URL can be used inconsistently for the same page (e.g., https://example.com and https://www.example.com) these will show the same page but they may resolve to different URLs. This can cause search engines to index your site incorrectly.
You can use the following steps to make sure all of your WordPress site's pages can be indexed properly to help improve SEO ranking. There are many third party tools available to perform this test. We will be providing steps to use the URL Canonicalization test provided by SeoSiteCheckup.com. If you select a different tool, be sure to review the documentation.