It is a strange word, ‘Canonicalization’ is the process of picking the best URL when there are multiple choices on offer and it usually comes into play with home pages. Here is an example, you would consider the four below to be the same urls:
Technically these four urls are different. A web server could return completely different content for all the urls above.
When Google “canonicalizes” a url, they try to pick the url that seems like the best representative from that set.
So how do I make sure that Google picks the right URL?
Read the article linked below it’s pretty straightforward and for any SEO help the visit us at one of the two links below.