When I need to use canonical tag?

[virginoilseom]

When I need to use canonical tag?

[davidweb09]

When you have to move a webpage from one domain to another, than we use canonical tag.

[alwaysprompt]

The canonical tag is used to mention duplicate content on our website. You can do it by specifying the “canonical URL” and enter “preferred” version of a web page. If you have duplicate content on your website then using canonical tag will help in SEO of your website.

[24x7servermanag]

A canonical tag is used to avoid the duplicate web content issue. It will improve the site SEO. Those are used to describe the home page. Visitors used to see the canonical URL.

If you've already added canonical tags then no need to add 301 redirect. Canonical tags are more appropriate than 301 redirect. This is the best practice so you can keep them, no need to add 301 redirect.

[sarajason]

When you need to move a website page starting with one area then onto the next, than we utilize authoritative tag.

[sadianisar]

You will need to use canonical tag when you have a duplicate content issue It will be good for SEO if you use canonical tag.

[marksteve741]

you can use the canonical tag <link rel="canonical" href="url" />

[erieki]

Canonical Tag <link rel="canonical" href="your website"/> is mainly used for the purpose of avoiding page duplication issues. For example: The same page is opening for different URL's (your website, your website/index(.)html, your website/index(.)html-1, your website/index(.)html-2,...your website/index.html-99), you can use canonical tag to specify particular URL for search engine robots, bots or spiders to cache and index.

[sadianisar]

In SEO, Canonical tag is utilized if there is an issue of duplicate content.