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ajaykrgc
02-17-2012, 07:36 AM
hi,
what is canonical reference and its advantage ?
rupeshgupta
02-21-2012, 12:01 AM
open the url with index.html called cananical issue.
AllenSantiago
02-21-2012, 08:40 AM
Canonical refers opens a web page with both URL versions such as www or without www that is called canonical error. You can use Google webmaster tool for preferred domain. Example
If your home page opens with http://www.abc.com and http://abc.com that’s it.
john12345
02-22-2012, 08:15 AM
A 301 redirect is designed to help users and search engines find pieces of content that have moved to a new URL.

You usually want to use a 301 redirect over a canonical tag. A rel=canonical tag is a bit easier to implement as it doesn't involve doing anything server side. Its just a case of editing the <head> tag on a page.

Only use a canonical instead of a 301 if:

A 301 is not possible
There are multiple ways to navigate to the page
When dynamic URLs are used.