What are Canonical Tag and How it Add Tag in WordPress Website?

Do you know why your website or blog is not ranked on the First Page of SERP(Search Engine Result Page)?

Would you like to improve your ranking?

Nobody wants to rank unnecessary pages. Google also has a solution to this problem, by applying Canonical Tag to your Posts or Pages that help in your search ranking.
In this amazing Guide, We will be walking through Canonical Tag, How to add Canonical Tag, How to check Canonical Tag is Applied to our website or not.
Let's enter into the Post and learn about the Canonical Tag.

What is Canonical Tag or Canonisation?

Canonical Tag is the best way to indicate search engines about the URLs which you want to index. A Canonical Tag or Canonical Link element indicates search engines about a master copy of Post or Pages. Canonical Tag is a part of technical SEO which indicates google about the page or post uniqueness.

The first thing google Bot or other search engine’s bot refers to the URL of posts or Pages.

For Example- https://smartlyincome.com instead of Content.

Let’s Imagine, You have multiple pages or posts with the same content or with different URLs then the Search engine bot get confused and it causes in the decrease of your ranking.

A Canonical Tag is also known as rel=Canonical which indicates Google crawlers to understand that it’s a master copy of a Page. Using Canonical Tag prevents you from the problem of duplicate content that appears on multiple URLs.
You have two Page- Page A and Page B.
URL A– https:/smartlyincome.com/SEO
URL B– https:/smartlyincome.com/Category/SEO

what is rel=Canonical Tag?

Rel-Canonical Tag is a technical term for Search Engines to better understand the page and decide what page they rank. THE canonical URL element was introduced by Google, Bing, and Yahoo.

If you’re interested to understand Canonical Tag history, Then you have to read MattCutt Post from 2009. It gives you some background and links to different interesting articles. The idea is simple and specifies how to use it and often a bit more complex.

Rel=Canonical tells Google’s bot that Page A is a Master copy and Page B would be a duplicate Copy.

Example- <link rel=”Canonical” href=https://smartlyincome.com/SEO/>

This URL tells search engines that you are the owner of this blog.

How to add to Canonical Tag in WordPress?

Well, you have reached from this section that means you want to learn how to add Canonical Tag in your WordPress Website and prevent your blog or article to get penalised by Google or other search engines.

In this article section, we will be going to discuss how to add Canonical Tag is one such term that is not easy for all users to understand. In this section, I’ll be going to give you the best and easy way that I use my blog: Use the RankMath Plugin by Suraj Vibhute.

As soon as you install this plugin, it takes care of a lot of SEO, including the Canonical URL on what I called Hidden URLs (See above). But there are some things you need to pay attention to.

As you see in the screenshot below, once you click on the advanced tab of RankMath you’ll see Canonical URL Section where you can paste your original Post or Pages which you want to rank on Google. After entering the URL, you are all set and your URL will be a master copy.

How to Check the Canonical Tag of Posts or Pages?

Finding a Canonical Tag in your post or Page is a much easier way to locate your Canonicalization in your post or pages is active or not.

Specifying rel=Canonical doesn’t mean Google will consider your Page or Post as original, but in 99% cases but not all the time.

Check with HTML Code

The purpose to check Canonical Tag using HTML Code is to identify your Post or Pages having Canonical Tag or not.

To check, simply open your blog post on Google and right-click anywhere in the middle of your post or Pages. Then out the available Option select View Page Source Code, the HTML section of your Post or Page will be displayed to you.

Then, click CTRL+F on your Keyboard and search for rel=Canonical and if you found URL stats.

<link rel=”Canonical” href=“https://Smartlyincome.com/What is SEO/”/>

Well, if you have a duplicate Page with the same Content then make sure to pointing to the original one means you are giving priority to the original.

How to Check-in Google Search Console?

The best and proven way to decide that Google has considered your URL as a Canonical URL or not.

It gives you a better understanding to analyse that Google has considered your URL as a Canonical URL or Not.

Follow these Simple Steps to check:-

Login to your Google Search Console

Click on the URL Inspection tab

Enter your blog or Page URL in Search Bar

Click on the Coverage Drop-down section.

Validate the URLs.

Checking in Google Search Console gives you surety that Google has considered your URL as Canonical URL.

To this point, you have a better understanding of the Canonical Tag, Canonical URL that is necessary for you.

Why do you need a Canonical URL?

From this Point, You have better understanding about the Canonical Tag and Canonical URL.

With the Canonical URL, you can prevent duplicate Pages or Post both internally or externally. Internal Canonical content happen within your website and externally happen when same content or similar page on different domain.

Canonical Link prevents your website content from the google’s penalty. The Canonical URL Communicate to Google, Bing,Yahoo tell search engines that which Post or Page they should show or hide in the search engine result Page(SERP).

What are the best practice around Canonical Tag?

The Canonical URL is a powerful tool used in webmaster’s toolbox. To eliminate indexing issues, it is necessary to adhere to the quality standards below when dealing with canonical URLs:

Placement in Header section or HTTP Header:- The Canonical Tag or URL should always be placed in the header section of Page or post or in HTTP Header.

Point to Index able Page: The Canonical URL should be pointing to the post or pages that you want to Index in Search engine.

One Canonical URL Per Page: There should always be only one Canonical.

What are the Limitation of Canonical URL?

While Canonical URL has a great tool in the webmaster’s toolbox but there are some limitation which you must know about.

Consolidated link Authority only Partially

Let’s suppose, you have two page A and B. Page A has a Great and Powerful backlink then page A is the reference of Page B as its Canonical. Search Engine will most likely index Page B and leave Page A out of their index.

Each link passes some authority, Called Link Authority. The Link Authority that is passed on to page A through the strong backlink is only partially passed to Page B. There are no research that will show that Canonical URL passes all links authority. On the top of that, Canonical URL is the method to communicate with the search engine to which Page they show and which Page to Hide. Canonical URL does not completely Passes link Authority.

Google’s Matt Cutts tells that “there are not a lot of difference between 301 Redirect and Canonical URL.

If you want to pass as much as link Authority as possible, We advise you to use 301 Redirect.

Canonical URL does not prevent crawl Optimisation issues

Canonical URL are meant to prevent post or Page from duplicate content issues. It tell google to Index Page B and does not index Page A. But it does not tell google to not to crawl that Page A.

When search engine does not spend their time to crawling useful and important pages then we can say there are crawl Optimisation issues. Sometime crawlers spend their time to crawl those page which will not be gone index in search engine result Pages and those time could be a wastage of time for search engine bots are known as Crawl Budget( The allotted time for crawling a website). The robots.txt file can be prevent crawl optimisation issues.


For so many people, Fetching Canonical Tag is a complex and hard Method.

Hopefully, now you can have a better understanding about the importance and use of Canonical Tag and URL.

If you can take care of that, everything else you do to have any knowledge of Canonical Tag will be more effective.

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