Understanding and Implementing Canonical Tags for Ecommerce SEO

Canonical tags are HTML elements used to help webmasters manage their search engine optimization (SEO) efforts. A canonical tag, or “rel canonical”, is an HTML attribute that tells search engines which version of a page they should index and serve in the search results. If you have multiple versions of similar content on your website, you can use canonical tags to consolidate them into a single URL. This helps ensure that any traffic generated to those pages is directed back to the main source.

For ecommerce sites, this means optimized URLs that contain targeted product keywords and parameters like category and product ID will be seen as the original URL for each product page by search engines. This allows companies to create seamless shopping experiences for customers, while also helping their pages show up more in search results.

Implementing Canonical Tags:

To properly implement canonical tags, you must first ensure that the web page you’re working with is optimized and includes relevant product keywords. Once this is done, you can add the rel canonical tag to your HTML code. It should look something like this: <link rel=”canonical” href=”URL of original source here” />

It’s important to note that it’s not enough to just add a canonical tag; you must also make sure that all similar URLs are 301-redirected back to the original. This helps avoid any confusion or duplicate content issues that could arise.

Canonical tags, also known as rel=”canonical” tags, are HTML elements that help webmasters avoid duplicate content issues and ensure search engine crawlers understand the preferred version of similar or duplicate pages. A canonical tag is a way to tell search engines that a specific URL represents the master copy of a page. It is an important aspect of ecommerce SEO because it helps you create content efficiently while avoiding any potential ranking penalties due to duplicate content.


Using canonical tags for ecommerce SEO offers a number of benefits, including improved website rankings on SERPs (Search Engine Results Pages). Using a canonical tag reduces the risk of Google penalizing websites for having multiple versions of the same page by eliminating duplicate content. Canonical tags also help you control how Google indexes your site, and provide an easy way to consolidate link equity from multiple pages on a single preferred URL.

Using canonical tags can also improve website crawl rates, as search engine crawlers won’t waste time crawling and indexing duplicate content that you don’t want them to see. This helps ensure the correct version of your page is being indexed, which in turn could lead to better performance on SERPs.

Implementing Canonical Tags:

The first step in implementing canonical tags for ecommerce SEO is understanding the structure of your site. For example, look at the URLs for any product or category pages that may have similar content or are related in some way. Examples may include product variations, localized versions of pages, or similar categories and subcategories.

Once you have identified the URLs that need canonical tags, you can start adding them to your page’s HTML code. Each page should have its own canonical tag in the head section pointing to itself as its preferred version. This ensures each URL is being handled correctly by search engine crawlers when indexing your website.

You should also make sure not to set a wrong canonical tag on a page as it could result in incorrect indexation or worse, a penalty from Google if they detect malicious intent or manipulation. It’s important to double-check any settings before publishing changes live on your ecommerce site.


Canonical tags are an essential part of ecommerce SEO and something every webmaster should understand. By implementing canonical tags correctly, you can help ensure search engine crawlers index the correct version of your pages, preventing any potential ranking penalties for duplicate content. Doing this properly requires a solid understanding of the structure of your site and how different URLs relate to each other. With proper implementation, you can harness the power of canonicals to maximize the visibility and performance of your ecommerce website on SERPs.

  • Resources

  • About the Curator

    Abelino Silva. Seeker of the truth. Purveyor of facts. Mongrel to the deceitful. All that, and mostly a blogger who enjoys acknowledging others that publish great content. Say hello 🙂

    • Sidebar Mail