Do Canonical tags really pass link juice?

[iamjust]

Say if I wanted to rank a domain in co.uk rather than the .com version of it. Then will these tags be helpful. I am new so I don't know much about them.

[limbo]

If yo do them correctly then yes they can shift the SEO value.

[jonathan brown]

Hi, 

The canonical tag only really tells the spiders there is similar content on the page that you've used the tag for, I wouldn't say that passes any real "juice" as you call it. You should probably restructure your links if you want the full benefit.

[tomsfashion2019]

It also tells search engines to pass any link juice from the duplicate page to the original page. This way, you can keep both versions of the page live, but your SEO doesn't take a hit. The rel=canonical tag is sometimes also called rel-canonical, rel canonical, the canonical tag, or the canonical link element.