A canonical issue emerges when 301 sidetracks are not appropriately set up. This implies your site can be gotten to via web crawlers from a few unique URLs. This implies web crawlers would then be able to conceivably file your webpage under various URLs, implying that it will resemble a website of copied content.

A canonical tag is a way of telling search engines that a specific URL represents the master copy of a page. Using the canonical tag prevents problems caused by identical or "duplicate" content appearing on multiple URLs. Practically speaking, the canonical tag tells search engines which version of a URL you want to appear in search results.

Find out what canonical URL is and how does it impact your website's SEO. Get to know about tools that can help you sort canonical issues of your website.

A canonical issue arises when 301 redirects are not properly in place. This means that your website can be accessed by search engines from several different URLs. This means that search engines can then potentially index your site under different URLs, meaning that it will look like a site of duplicated content.