All You Need To Know About The Canonical Tag and How To Use It

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A Collection of Web Pages About  Canonical Tags

Moz – What is Canonicalization?

A canonical tag (aka “rel canonical”) is a way of telling search engines that a specific URL represents the master copy of a page. Using the canonical tag prevents problems caused by identical or “duplicate” content appearing on multiple URLs.

Practically speaking, the canonical tag tells search engines which version of a URL you want to appear in search results…More at

A Beginner’s Introduction to the Canonical Tag | Unamo Blog

How to use Canonical Url Tag to improve SEO, eliminate duplicated content issue and make website more Google-friendly.

The canonical tag has been supported by major search engines since early 2009, but despite the benefits it offers to both site operators and users, many site operators have yet to implement it…More at

rel=canonical: the ultimate guide to canonical URLs • Yoast

The canonical URL allows you to tell search engines that certain similar URLs are actually one and the same. Learn how to use rel=canonical!

A canonical URL lets you tell search engines that certain similar URLs are actually the same. Sometimes you have products or content that can be found on multiple URLs – or even multiple websites, but by using canonical URLs (HTML link tags with the attribute rel=canonical), you can have these on your site without harming your rankings…More at

How Important Are Canonical Tags

The Importance of Canonical Tags in SEO

Why are canonical tags important in SEO and how are they specified?

Specifying canonical tags is one of the most basic search engine optimisation tools. In the source code of a website, they specify the URL to be considered by search engines. Duplicate content can thus be avoided, even with the same content on different URLs.

Each unique piece of content on a website should only be accessible at a single URL. Otherwise, duplicate content is indexed. This means that in order to answer a search query, a unique URL cannot be found by the search engine. This often leads to poorer rankings…More at

The Importance of Canonical Tags | SEO Blog – MoreVisibility

Proper employment of canonical tags can boost SEO rankings & help your website gain authority within search engines. Learn more in this blog post.

In today’s world, duplicate content can lead to search engines becoming confused about the correct page to return to a user. We want to make the job of a search engine easier by clearly focusing them on the right pages to return to users through proper canonicalization.

By properly employing canonical tags to your webpages, you can take advantage of having a robust site while following a Best Practices approach to Search Engine Optimization…More at

What are Canonical Tags and When Should You Use Them?

To put it simply, let’s say you have page A and page B, which has duplicate or very similar content.

You want page A to be the master page, and you want to let search engines know that page B is the copy and shouldn’t appear in search results so that all of the traffic and SEO juice will be pushed to page A.

Adding a canonical tag to page B will accomplish this…More at

What is a Canonical Tag & Why Are They Essential For SEO?

The canonical URL is the primary version of your content. It is the URL that you want to appear in Google’s search results.

The full set of canonical URLs on your site are created using a set of rules to ensure they are consistent.

For example, you might decide that your canonical URLs should always end with trailing slash. Or you might decide the canonical URLs should not include any URL parameters…More at

Best Practices For Canonical Tags

SEO Best Practices for Canonical URLs + the Rel=Canonical Tag – Whiteboard Friday – Moz

Avoid confusing Google by learning how to properly implement the canonical tag. In today’s episode, Rand defines rel=canonical, explains the situations where it’s necessary and appropriate, and outlines the pitfalls you should avoid at all costs.

If you’ve ever had any questions about the canonical tag, well, have we got the Whiteboard Friday for you.

In today’s episode, Rand defines what rel=canonical means and its intended purpose, when it’s recommended you use it, how to use it, and sticky situations to avoid…More at

Best Practices for Canonical URLs and Rel=Canonical Tag

The incorrect application of canonical tags might be ruining your past and current SEO efforts.

This is because the use of canonical tags is a widely known advanced SEO technique/strategy for dealing with duplicate content or a page that is accessible through multiple URLs.

So, if you do not know how to properly use a canonical tag, then you are definitely putting your SEO in danger…More at

Canonical URLs: Best Practices, Common Mistakes & Their Impact on SEO

This article will answer everything you need to know about canonical tags!

Quick answer: Canonical tags affect SEO from two points of view. For once, they directly influence how search results display.

They can also influence the general rankings of a website due to multiple factors, such as structure, user experience and PageRank flow…More at

Canonical Tag Syntax

Consolidate duplicate URLs – Search Console Help

If you have a single page accessible by multiple URLs, or different pages with similar content (for example, a page with both a mobile and a desktop version), Google sees these as duplicate versions of the same page.

Google will choose one URL as the canonical version and crawl that, and all other URLs will be considered duplicate URLs and crawled less often…More at

Canonical Tag Generator

Rel Canonical URL Code Tool – One Click Canonical Tag Generator

Rel canonical URL code gets generated with just one click. You only need to know which URL you want search engines to rank. Make your life easier for free!

Use this tool to generate a rel=canonical URL code to add into your html head to help search engines know the location of the webpage that has the content you originally intended to publish as unique…More at

Canonical Tag Checker

Canonical URL / Location Checker – SEO Review Tools

Use the canonical tool to check if a page has a canonical tag and to find out which page should be index by search engines based on the canonical location…More at

Canonical URL Tag: Definition and All Situations When You Need It

To specify the canonical link for the current page, in thesection, you need to state the following:

It is very important to register in the HEAD section, since if you accidentally register this attribute not in this section, this instruction will be ignored by the search engines.

For each page in the xml-map of the site you can register its canonical link. But, in this case, search engines can ignore these recommendations…More at

How To Add Canonical Tag In Html

How to Add the Canonical Tag to HTTP Headers >> Code Examples | Geoff Kenyon

This works fine for most use cases and there are many plugins for popular CMS platforms to help you do this so that you don’t even need to request any support from your development team to implement the canonical tags.

That said, there are two use cases where the standard canonical tag simply doesn’t work…More at

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