canonical tags

Canonical Tags: Understanding Their Importance in SEO

Keep up with the latest developments in the ever-changing field of search engine optimization (SEO). Canonical tags are an essential technique in the SEO practitioner’s toolbox. For those who are serious about improving their website’s performance in search engine rankings, comprehending canonical tags is crucial, even though it may seem like technical speak only accessible to experts. We will explore the definition of canonical tags, their significance, and successful implementation methods in this extensive guide.

What Are Canonical Tags?

When there are several versions of a page with similar content, website owners can use canonical tags, sometimes called rel=canonical tags, to identify which version of the page is favored. They tell search engines which main URL is authoritative to use for indexing and ranking.

Why Are Canonical Tags Important?

Avoiding Problems with Duplicate Content: By confounding search engines and weakening ranking signals, duplicate content can negatively impact a website’s SEO performance. By combining the ranking signals into one preferred URL, canonical offers a workaround and helps avoid duplicate content penalties.

Increasing Crawl Efficiency: Crawling several versions of the same content can squander scarce resources on search engine crawlers. Website owners can expedite the crawling process and make sure search engines index the most relevant content by designating a canonical URL.

Improving User Experience: By directing people to the most appropriate and relevant content, canonical improves user experience and lessens the likelihood that users would become upset when they see the same or similar content at different URLs.

Preserving Link Equity: Canonical tags assist in combining incoming links to a single preferred URL when a website contains various versions of a page (e.g., HTTP vs. HTTPS, www vs. non-www). By maintaining link equity, this consolidation makes sure that the page benefits as much as possible from external backlinks.

Implementing Canonical Tags Effectively

Identify Duplicate Content: Perform a comprehensive audit of your website to find instances of duplicate material before applying canonical tags. These could be printer-friendly article versions, other homepage layouts, or comparable product pages.

Select the Preferred URL: Choose the content version that ought to be regarded as the canonical version. Considerations include user engagement metrics, backlink profiles, and article quality.

Add the Canonical Tag: After determining the preferable URL, add the canonical tag to the non-canonical sites’ HTML header. The rel=canonical property should be used by the tag to point to the preferred URL.

Verify Implementation: To make sure the canonicalization process is operating as expected, keep an eye on how your website performs in search engine results pages (SERPs) after adding tags. Google Search Console and other similar tools can shed light on canonicalization issues and indexing status.

Update Sitemaps and Internal Links: Update your internal linking structure and XML sitemaps to reflect the canonical URLs to strengthen the signal to search engines.


Although canonical tags may appear to be a technical issue, their influence on SEO performance is significant. Canonical tags are essential for improving your website’s exposure and relevancy in search results because they handle duplicate material and direct search engine crawlers to the preferred version of your web pages. To gain better crawl efficiency, a more satisfying user experience, and higher search engine ranks, include canonicalization in your SEO plan.

Read More: Creating An XML Sitemap: A Step-By-Step Guide