What is the importance of canonical tags in SEO?
Canonical tags are pieces of HTML code that helps search engines determine which is the main version of a web page, helping to differentiate the main version from the rest of your identical or similar pages.
Canonical tags are used in SEO to tell Google which version of the page you want appearing in search results.
The main purpose of canonical tags is to tell search engines which page is your main original version and which are duplicates that look the same. Websites contain some pages that are considered duplicates, as they display the same or similar content with a different URL.
When this happens, Google has to decide which of the pages should be indexed and ranked. Google does not use all the pages as search results, as they appear identical or very similar. A good example of this is a product page, especially in clothing lines, where you have a page for each size of the same clothing item, or a page for each colour of the same item.
Canonical tags are very important in these instances, telling Google you want to index the main URL category, which is the item of clothing. The tag helps you tell Google to use the main URL in search results, ignoring the rest of the URLs.
Google identifies a canonical tag as a signal, but does not see the tag as a directive, therefore in some cases Google may choose a different page for indexing and ranking.
There are a number of SEO benefits associated with canonical tags:
Canonical tags help to consolidate your duplicate pages into one main page, your canonical page. Duplicate pages can contain back links from external sources and these pages partially take over the link equity from the main page version, the one you want to rank in search engine results pages (SERPs).
When you use canonical tags on the duplicate pages, PageRank is transferred to a single URL, helping to improve your ranking in SERPs.
Canonical tags provide search engines with information on which website is the original content and which are republished. Many businesses publish content on other websites, and Google needs to decide which website is the original source of the content and which should be used in SERPs.
Canonical tags on external websites resolves this issue, ensuring Google indexes and ranks the main version of the page in SERPs.
Canonical tags help Google, and other search engines, crawl pages you want crawled and indexed, rather than crawling duplicates that were never meant for SERPs. Duplicate pages are a waste of time and resources for search engines.
Canonical tags ensures Google focuses on the pages that matter the most, saving on your crawl budget. Google has stated that a canonical page will be crawled more regularly than other pages, reducing the crawling load on your site.
Canonical tags are valuable SEO tools that ensures your main website pages are crawled, indexed, and ranked by search engines. These tags are used when you have a main content page, along with duplicate pages. In order to save your crawl budget, you add a canonical tag to the main page, ensuring Google and the other search engines, are aware of which page you want crawled and indexed.
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