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How to Fix an Incorrect Canonical Tag in PrestaShop

In the ever-evolving world of SEO, canonical tags play a crucial role in ensuring the proper indexing and ranking of web pages. However, even in a platform as widely used as PrestaShop, incorrect canonical tags can sometimes pose challenges. In this article, we will delve into the intricacies of canonical tags, explore why they are important for SEO, discuss how to identify and fix incorrect canonical tags, and provide tips for preventing future errors.

Understanding Canonical Tags in PrestaShop

Before we dive into fixing incorrect canonical tags, it is essential to have a solid understanding of what they are and their significance in PrestaShop. In essence, a canonical tag is a piece of HTML code that informs search engines about the preferred version of a web page when multiple versions exist. It acts as a guide, directing search engine bots to the primary (canonical) URL and consolidating the SEO value of duplicate or similar content.

Think of canonical tags as the conductor of a symphony, harmonizing the different URLs and ensuring a smooth flow of ranking signals to the chosen page, thereby preventing dilution of SEO efforts.

What is a canonical tag?

Put simply, a canonical tag is a tag that tells search engines the most relevant and authoritative version of a web page. It is placed in the HTML header of a page and includes a link to the preferred URL.

For example, suppose you have a product page in PrestaShop that exists in multiple variations, such as different color options or sizes. Instead of treating each variation as a separate page, the canonical tag identifies one version as the primary, consolidating all traffic, link equity, and ranking potential to that specific URL.

Let’s take the example of a clothing store using PrestaShop. Imagine they have a product page for a t-shirt that comes in different colors and sizes. Without a canonical tag, search engines might see each variation as a separate page, causing confusion and potentially diluting the SEO efforts. However, by implementing a canonical tag, the store can specify the main product page as the preferred URL, ensuring that all the traffic, backlinks, and ranking signals are consolidated to that specific page. This consolidation helps search engines understand the most relevant version of the page and prevents any duplicate content issues.

Why are canonical tags important for SEO?

The importance of canonical tags for SEO cannot be overstated. Without them, search engines may struggle to determine the most relevant page to display in search results. This can lead to duplicate content issues, dilution of ranking signals, and potentially lower visibility in search engine results pages (SERPs).

Imagine a scenario where an e-commerce website using PrestaShop has multiple pages with similar content due to different sorting options or filters. Without canonical tags, search engines might index each of these pages separately, causing duplicate content issues and potentially harming the website’s SEO performance. However, by implementing canonical tags, the website can specify the main page as the preferred version, consolidating all the ranking signals and preventing any penalties for duplicate content. This consolidation helps search engines understand the website’s structure better and improves the overall visibility and relevance of the chosen URL in SERPs.

In summary, canonical tags effectively prevent duplicate content penalties, ensuring that search engines recognize a single version of a page as the authoritative source. By consolidating ranking signals, they boost the visibility and relevance of the chosen URL, improving organic search performance.

Identifying an Incorrect Canonical Tag in PrestaShop

Now that we understand the importance of canonical tags, let’s explore how to identify whether a PrestaShop website has an incorrect canonical tag in place. By recognizing the signs and utilizing specific tools, you can quickly identify and rectify any issues.

One of the common signs of an incorrect canonical tag is URLs with a significant disparity in traffic or ranking performance. When you notice that certain URLs on your PrestaShop website are receiving significantly less traffic or lower rankings compared to others, it could indicate a problem with the canonical tags. The incorrect canonical tag might be directing search engines to prioritize a different version of the page, leading to a loss of visibility and potential organic traffic.

Another sign to watch out for is duplicate or near-identical content appearing in the search results. If you notice that multiple URLs with similar content are showing up in search engine results pages (SERPs), it could be a clear indication that the canonical tags are not properly set. This can lead to confusion for search engines and users, as they might not know which version of the page to prioritize.

Inconsistent canonical tags across multiple versions of the same page can also be a sign of an incorrect canonical tag. When different versions of a page have different canonical tags, it can create confusion and dilute the authority of the main page. This can result in lower rankings and reduced organic traffic for the intended page.

Furthermore, pages not receiving the expected organic traffic despite being relevant for certain search queries can be a red flag for incorrect canonical tags. If you have optimized a page for specific keywords and it is not ranking well or receiving organic traffic, it could be due to a misconfigured canonical tag. The incorrect canonical tag might be directing search engines away from the intended page, causing it to miss out on valuable visibility and traffic.

Tools to help identify incorrect canonical tags

  1. PrestaShop SEO Module: Utilize a dedicated SEO module for PrestaShop that offers canonical tag analysis and reporting features. These modules can provide insights into the presence and accuracy of canonical tags on your website. They can scan your website’s pages and identify any inconsistencies or errors in the canonical tags.
  2. Google Search Console: Leverage the power of Google Search Console to identify possible canonical tag issues. The Index Coverage report in Google Search Console can highlight pages with duplicate or conflicting canonical tags. By regularly monitoring this report, you can quickly identify and address any incorrect canonical tags.
  3. SEO auditing tools: Several online SEO auditing tools, such as SEMrush, Moz, and Ahrefs, offer comprehensive website analysis, including canonical tag checks. These tools can be immensely helpful in identifying incorrect or missing canonical tags. They can crawl your website and provide detailed reports on the canonical tags across your pages, making it easier for you to identify and fix any issues.

By utilizing these tools and keeping an eye out for the common signs of an incorrect canonical tag, you can ensure that your PrestaShop website is properly optimized and free from any canonical tag issues. Regularly monitoring and maintaining the accuracy of your canonical tags will help improve your website’s visibility, rankings, and organic traffic.

Fixing an Incorrect Canonical Tag in PrestaShop

Having an incorrect canonical tag can negatively impact your website’s search engine visibility. However, by following the steps below, you can fix this issue in PrestaShop and optimize your website for better search engine rankings.

Step-by-step guide to correcting a canonical tag

1. Identify the primary URL: The first step in fixing an incorrect canonical tag is to determine the preferred version of the page that should receive all the SEO credit and traffic. This primary URL will be the one to which the incorrect canonical tag needs to be redirected.

2. Access the PrestaShop back office: Log in to the PrestaShop admin panel and navigate to the page you wish to correct. This will give you access to the necessary tools and settings to make the required changes.

3. Locate the canonical tag: Within the HTML code of the page, you need to locate the canonical tag. This tag specifies the URL that search engines should consider as the primary version of the page. It is crucial to ensure that this tag includes the correct URL.

4. Edit the canonical tag: If you find an incorrect canonical tag, you need to modify the URL to match the desired primary version. Carefully make the necessary changes, ensuring that there are no errors that could potentially harm the page’s rankings.

5. Save and test: After making the required changes to the canonical tag, save the modifications and test the page. This step is essential to ensure that the canonical tag is now pointing to the correct URL, effectively resolving the issue.

Best practices for fixing incorrect canonical tags

  • Regularly audit your website: It is crucial to regularly audit your website for incorrect canonical tags. By catching them early, you can address the issues promptly and prevent any negative impact on your search engine rankings.
  • Use monitoring tools or scripts: Consider utilizing monitoring tools or scripts that can automatically detect and alert you about potential issues with canonical tags. These tools can help you stay proactive in maintaining the integrity of your website’s canonical tags.
  • Ensure consistency in canonical tags: When you have multiple pages with similar content, it is essential to ensure consistency in the canonical tags. This consistency helps search engines understand the relationship between the pages and avoid any confusion.
  • Implement proper redirects: When changing the primary URL, it is crucial to implement proper redirects. This ensures that any existing links or traffic directed to the old URL are redirected to the new primary URL, preventing any loss of link equity or traffic.

By following these best practices and diligently fixing any incorrect canonical tags, you can maintain a strong and optimized online presence, enhancing your website’s visibility in search engine results.

Preventing Incorrect Canonical Tags in PrestaShop

Fixing incorrect canonical tags is crucial, but preventing them in the first place is even better. By following a few preventative measures, you can minimize the risk of encountering erroneous canonical tags in your PrestaShop website.

Tips for avoiding incorrect canonical tags in the future

  • Ensure the implementation of canonical tags: Utilize a robust SEO module or plugin to streamline canonical tag implementation and verification across your PrestaShop website.
  • Educate your team: Train your content creators and developers on the importance of proper canonical tag usage and the potential impact of incorrect implementation.
  • Create a workflow: Develop a standardized workflow that includes checks for correct canonical tag implementation in the QA process before publishing any new or updated pages.
  • Regularly review and update canonical tags: Conduct periodic reviews of your website to ensure the continued accuracy and relevance of canonical tags. This practice is particularly important during website redesigns or when structural changes occur.

Regularly auditing and monitoring canonical tags in PrestaShop

Keeping a close eye on the canonical tags of your PrestaShop website will help identify and rectify any issues promptly. Schedule regular audits using trusted SEO auditing tools or by leveraging the built-in features of dedicated PrestaShop SEO modules. By monitoring canonical tags, you will gain peace of mind in knowing that your website is optimized for maximum SEO impact.


Fixing incorrect canonical tags in PrestaShop is a critical aspect of maintaining optimal search engine visibility and preventing duplicate content issues. By understanding canonical tags, identifying incorrect implementations, effectively fixing them, and implementing preventive measures, you can ensure that your PrestaShop website benefits from the full SEO potential while providing a seamless user experience.

Recap of key points

  • Canonical tags guide search engine bots to the preferred URL and consolidate ranking signals.
  • Incorrect canonical tags can lead to duplicate content issues and dilution of SEO efforts.
  • Signs of incorrect canonical tags include traffic and ranking disparities and inconsistent canonical tags.
  • Tools like PrestaShop SEO modules and the Google Search Console help identify incorrect canonical tags.
  • Fixing incorrect canonical tags involves identifying the primary URL and modifying the tag accordingly.
  • Preventing incorrect canonical tags requires proper implementation, education, workflow, and periodic reviewing.
  • Auditing and monitoring canonical tags in PrestaShop is crucial for maintaining optimal SEO performance.

Importance of maintaining correct canonical tags in PrestaShop

Correct canonical tags in PrestaShop optimize search engine visibility, prevent duplicate content issues, and consolidate ranking signals, resulting in improved organic search performance. With regular auditing and proper implementation, your PrestaShop website can confidently navigate the intricate SEO landscape, ensuring maximum visibility and user engagement.