What is the best way to use canonical tag
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Hi, i have been researching this since yesterday and have looked at this subject many times before but still cannot get my head around it.
i done a report on my site which was very useful, i used http://www.juxseo.com for my site www.in2town.co.uk
and it brought me some useful information but part of that info was it was telling me that i should have on my home page a canonical tag which would improve my seo.
Now i am using sh404sef for my friendly urls and i am using joomla 3.0 and when i approached the makers of the sh404sef to ask about the tag they said i would need to be careful of using it as it could damage my site and my rankings.
i have read lots of information but still do not have a clear understanding behind it.
can anyone please explain the best way to use this and should i be using where i may have some sort of duplicate page, any help to understand this would be great.
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Hi Tim,
Thank you for using sh404sef! We are working on a you moz post for Joomla 3 SEO. Your input is welcome.
We have a couple references regarding duplicate content & Joomla. (see below)
http://anything-digital.com/sh404sef/news/canonical-urls-and-joomla-seo.html
http://anything-digital.com/sh404sef/news/ranking-factor-dilution-and-joomla-seo.html
Thank you,
Jess
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thank you everyone for your help, this explains it a lot better, thanks for this.
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Hi Tim,
Yes a canonical tag is useful for resolving duplicate content, and acts in a similar fashion to a 301 from the perspective of search engines and passing of link juice, yet allows users to view the original page. So the use depends on the context of your duplicate content issues.
For example say you have a common issue, multiple versions of the home page under /, /index.aspx and /home these are all versions of the same page, no content has changed, what the user sees is not reliant on anything in the URL. In this case a 301 is your best bet back to the root version of the page you want, it shall also help prevent people building links to the various versions as when they take the address from the URL bar it shall already be the version you have selected.
Now say your a retail site selling frogs (Don’t ask, i have a fondness for using frogs in my examples) and you have a product listing page of all the frogs you sell. this could stretch over multiple pages and be paginated. For example /frogs, /frogs?page=1, /frogs?page=2 etc. In this case you don’t really want all these versions of what is effectively the same page ranking, particularly as content won’t change much and can be seen as duplicate. Additionally you don’t want any link equity being split between all the paginated versions however you DO want the user to be able to view these pages. In this case the use of Canonical can be perfect (or rel next/prev but I’ll ignore that for now)
Now it gets a little more complicated and we begin to get to the areas where you can hurt yourself from an SEO perspective. Say your customer can sort by clolour of frog aswell, this adds another parameter to your URL and more duplicate content. i.e /frogs, /frogs?colour=red, /frogs?frogs=blue. Here you can do the same as above and canonical back.
This is where the potential danger lies - The URLs you have canonicalled back will not be ranked in search engines, now say Red frogs are a massive seller and really popular with customers, you may want this page to rank, and canonical tags can prevent this. This is the kind of situation that can cause you a mischief. Have a read of Dr Pete’s 'What page is canonical below' for a more detailed explanation.
Hope this helps you out.
Thanks, Tom.
Heres a few extra resources you may or may not have already discovered:
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Hi,
The canonical tag is used to give authority to a specific page on your site where other pages have the same or very similar content.
You can place a canonical link element in the head section of all non-canonical pages with the same or similar content to tell Google that there is a page on your site that you would like them to index for this content.
Generally it's ecommerce websites that benefit here, as they may have several routes by which you could reach the same product information, for example, you could have a product under several different sub-categories. You would want to place a canonical tag on each page to point to one specific page.
Check out the Google Webmaster Tools explanation for more detail https://support.google.com/webmasters/answer/139394?hl=en
Hope this helps.
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