What Is A Canonical Tag And Why Is It Important: Guide

Canonical Tag: A Detailed Guide of Beginners

Dec 06, 2023 | [prashant@growth.cx](/content/blog/author/prashantgrowth-cx/ "Posts by prashant@growth.cx"/index.html)

If you are new to the world of SEO and want to learn many ways to earn traffic through search engines, then you will likely discover that getting your website listed as a Canonical Tag is one of the best ways. The reason it’s such a popular technique is because it gives Google an indication that the site has been verified by other websites in your niche. This triggers the ‘authority’ algorithm.

You’re probably already familiar with the latter because they’re a part of your website. In this article, we’ll take a look at what canonicals are, why they matter, and in what ways you can use them in your daily web design work.

What Are Canonical Tags?

Canonical tags, identified by the HTML attribute “rel=canonical,” are essential elements in web development and SEO.

You can use canonical tags to specify the main version if you have the same or similar content under different URLs. By indicating which URL is the authoritative source, search engines can prevent issues related to duplicate content and ensure more accurate indexing and ranking in search results.

This is how a canonical tag would look like:

<link rel="canonical" href="https://example.com/sample-page/" />

Breaking down the code in simpler terms:

link rel="canonical": This signifies the primary or canonical link.
href="https://example.com/sample-page/": This points to the designated canonical version of the content, specifying the preferred URL.

What Are Canonical URLs?

Canonical URLs are an essential part of your website. They are the URLs you will use in all your marketing materials, product descriptions, and other places.

They are essential because they help search engines understand what is on your site and how to get there. The Canonical URLs also help customers find what they need by providing a unique address that only you have.

Duplicate content: Reasons why it exists

Duplicate content can be a problem for any website.

It is time-consuming and expensive to do, and challenging to track down. This is because the same information may appear on multiple pages and be referenced by different keywords in different places. Duplicate content is a problem for all businesses, especially those with high traffic to their site.

There are several reasons why duplicate content exists:

An error in the original copy of a post or page was replicated across multiple locations.
The absence of a clear editorial strategy.
A post or page was republished from an external source without proper credit.
A blog post or page has been copied without proper attribution, resulting in multiple versions of the same piece of content appearing on your site or blog.
The original author didn’t add a meta description tag for critical keywords.
A website may have been updated with new content, but the old version is still indexed by search engines.

Why Canonical Tags Are Important for SEO

The canonical tag is an essential element of SEO because it tells search engines how to prioritize your content. This is why canonical tags are among the most critical factors in search engine rankings.

When you have a website or blog with multiple pages, each of which can be accessed via a different URL, you need to ensure that you set up the correct canonical tag for each page. This will help prevent duplicate content and improve user experience.

How to Implement Canonical Tags?

To implement canonicals, you need to have a list of URLs you want to be treated as canonical. It’s essential to have this list organized in a way that makes sense for your site, and it should include all the different ways people can reach your content.

The best practice is to use a canonical tag on every homepage of your site and always include it in the section of the HTML code.

How to add a Canonical tag in WordPress?

WordPress is a popular CMS and blogging platform. Here is how to add a canonical tag in WordPress:

Install WP Canonical Tag or any SEO Plugin.
Activate the plugin.
Add a canonical tag in your post or page in the editor window.

How to add a Canonical tag in HTML?

Add the following code at the end of your HTML file:

<link rel="canonical" href="https://example.com/">

This tag helps search engines to crawl your site correctly.

Canonical Tag Best Practices

Regarding SEO, the Canonical Tag is crucial for search engines to understand the overall structure of your website. Below are some best practices to follow:

i. Include a Slug in the Canonical Tag

Include a word or short phrase to help search engines understand which pages on your website are related.

ii. Don’t Duplicate Tags for Different Pages or Categories

You should only have one canonical tag per page or category.

iii. Use Only Canonical URLs in Your Sitemaps

Only put the primary URLs in your sitemap.

iv. Self-Referencing Canonicals

It may seem obvious, but it helps to have canonical tags that link to themselves.

v. Ensure That Your Canonical URL Can Be Accessed

Canonicalize only URLs allowed in your robots.txt file and return a 200 status code.

vi. Use Absolute URLs

Include the full URL when adding a canonical tag, ensuring it contains the correct elements.

Common Mistakes to Avoid When Implementing Canonical Tags

1. Duplicate tags

2. Missing tag

3. Incorrectly implemented Cite Tag Meta Description

Final thoughts

This guide to canonical tags and canonical links will help you understand their importance in consolidating the distribution of multiple pages, thus avoiding problems with search engines and user experience.

FAQ

1. What is a canonical tag?

It is an HTML element used for indicating the preferred version of a webpage when the same or similar content appears on more than one URL.

2. What is a canonical link in SEO?

In SEO, a canonical link refers to the HTML link element that establishes the preferred or canonical URL for a specific webpage.

3. How to add canonical tags in HTML?

To add a canonical tag in HTML, insert the following code within the section of your webpage:

<link rel="canonical" href="your-preferred-url">

4. Why do we use canonical tags?

Canonical tags are crucial to prevent duplicate content and guide search engines to the preferred URL to index, improving search results accuracy.