In this article, we’ll discuss Canonical Tags in detail. We’ll learn what a Canonical Tag is, what a Canonical URL means, and understand its benefits.
We’ll also see how it is created and used, and why it’s so important for SEO. You’ll also learn the difference between rel=”canonical” and a 301 redirect, when and where to use canonical tags, and how to add them on platforms like WordPress, Wix, Shopify, and Blogger.
If you run a website or work in SEO, you’ve probably heard about the “Canonical Tag.” It plays a crucial role in a website’s SEO strategy. However, many people still don’t fully understand what a canonical tag is or how to use it properly.
After reading this article, you’ll have a complete understanding of the Canonical Tag and how to use it effectively on your website.
What is Canonical Tag?
A Canonical Tag is an HTML tag used to solve the problem of duplicate content. It tells search engines which URL is the main or preferred version of a page when the same content appears on multiple URLs.
For example, if the same content exists on these URLs:
https://example.com/page
https://www.example.com/page
https://example.com/page?ref=abcThen you can add a canonical tag to all those pages like this:
<link rel="canonical" href="https://example.com/page" />
The Canonical Tag was introduced in February 2009 by Google, Yahoo, and Microsoft together. Its main purpose is to tell search engines which version of a webpage is the most preferred one. This tag is typically found in the <head> section of a website and guides search engine bots.
In short, a Canonical Tag tells search engines which URL is correct and should be indexed.
What is Canonical URL?
A Canonical URL is the main or preferred URL that tells search engines which version of similar URLs should be indexed. It helps prevent duplicate content and improves SEO performance.
Basic Structure:
<link rel="canonical" href="https://vipovi.com/" />Benefits of Canonical Tag
Here are the main advantages of using canonical tags:
Avoid Duplicate Content: Ensures only the main URL is indexed even if the same content exists on multiple pages.
Improves SEO: Helps search engines prioritize the correct page, improving rankings.
Preserves Link Juice: Combines link value from duplicate pages into one canonical page.
Enhances Crawling Efficiency: Helps search engines crawl and index important pages faster.
Improves User Experience: Directs users to the correct version of a page, improving navigation and satisfaction.
Why is Canonical Tag Used
If the same content exists on multiple URLs, Google can get confused about which one to rank. By adding a canonical tag, you can tell Google which URL should be indexed and shown in search results.
How Does Canonical Tag Help in SEO
Canonical Tags help SEO in several ways:
- Avoid Duplicate Content Issues that negatively affect SEO.
- Consolidate Link Equity by passing ranking signals to the main URL.
- Improve Crawl Efficiency so search engines spend time on important pages.
- Maintain Ranking Stability by preventing repeated indexing of the same page.
Difference Between Rel=”canonical” and 301 Redirect
| Factor | Rel=”canonical” | 301 Redirect |
|---|---|---|
| Purpose | Tells search engines the preferred URL. | Permanently redirects users and bots to a new URL. |
| How It Works | Added in the <head> section of a webpage. | Implemented via server-side HTTP redirection. |
| Visible to Users | No, users don’t see any difference. | Yes, users are redirected to a new page. |
| SEO Impact | SEO value transfers to the canonical URL. | SEO value transfers to the new redirected URL. |
| When to Use | When duplicate content exists but all URLs should remain live. | When an old page is completely replaced by a new one. |
| Loading Process | Page loads first, then the canonical tag is read. | Old URL doesn’t load; redirects directly to new page. |
How to Add Canonical Tag in WordPress
There are three main methods to add canonical tags in WordPress:
1. Using an SEO Plugin (Yoast SEO or Rank Math)
Yoast SEO:
- Edit the post or page.
- Scroll to the Yoast SEO section.
- Go to the Advanced tab.
- Enter the correct URL in the Canonical URL field.
- Click Update.
Rank Math SEO:
- Edit the post or page.
- Scroll to the Rank Math section.
- Go to the Advanced tab.
- Enter the Canonical URL.
- Click Update.
2. Manually Add in Theme Files
Add this code inside the <head> tag of your header.php file:
<link rel="canonical" href="<?php echo get_permalink(); ?>" />
3. Add via Custom Function (for Advanced Users)
Add this code to your functions.php file:
function add_canonical_tag() {
if (is_singular()) {
echo '<link rel="canonical" href="' . get_permalink() . '" />' . "\n";
}
}
add_action('wp_head', 'add_canonical_tag');How to Add Canonical Tag in Wix
Follow these steps to add a canonical tag in Wix:
- Log in to Wix Editor.
- Select the page where you want to add the canonical tag.
- From the left menu, click Menus & Pages.
- Click the three dots (…) next to the page and select SEO Basics.
- Scroll to Advanced SEO.
- You’ll see the Canonical URL field.
- Enter your preferred canonical URL (e.g.,
https://www.example.com/your-main-page). - Click Save and Publish.
How to Add Canonical Tag in Blogger
Adding a Canonical Tag in Blogger is very simple. Follow these steps:
- First, go to your Blogger Dashboard.
- Then click on Theme.
- Next, at the top-right corner, click “Edit HTML” (next to “Customize”).
- Search for the <head> tag in your theme code.
- Just below the <head> tag, add this code:
<link rel='canonical' expr:href='data:blog.canonicalUrl'/> - Finally, click Save Theme to apply the changes.
Conclusion
We hope this article on Canonical Tags has been useful and informative for you. Our goal is always to provide simple and accurate solutions to your technical questions.
If you still have any doubts or queries after reading this article, please feel free to ask in the comment section below we’ll be happy to answer all your questions.
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