What is canonical error in SEO?

26 replies
  • SEO
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Hello All,

I heard about canonical error anyone explain What is canonical error in SEO?


Thanks
#canonical #error #seo
  • Profile picture of the author thatkeywordguy
    There are some pretty good Google videos on the subject.

    Basically each different URL is treated as a separate document -- which results in fissured link juice
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  • Profile picture of the author dburk
    Hi amirsen

    Canonical issues are one of the things that cause significant issues with search engine optimization. This video is an excellent primer on the topic:

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  • Profile picture of the author Softlayone
    You can find everything related to canonical links on google support pages
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  • Profile picture of the author tinilxyz
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  • Profile picture of the author Stuart william
    when you have similar content on different url then you need to redirect it to all url to single url. thats called canonization
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  • Profile picture of the author Tom Albas
    Originally Posted by amirsen View Post

    Hello All,

    I heard about canonical error anyone explain What is canonical error in SEO?


    Thanks
    This link would be good for you. I think you get your answers after reading this article
    SEO advice: url canonicalization
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  • Profile picture of the author vyaswlc
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    • Profile picture of the author gredelhi
      Canonical issue can affect your ranking in google search engine. This problem occurred only in google search engine. As per google webmaster guideline, a web site with www & without www is treated two individual web sites with same content. So in this case google takes one web site as a duplicate content. It affects not only your ranking also affects your web site page rank. So you need to write a specific code so that when you enter domainname.com,
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      • Profile picture of the author paulgl
        Originally Posted by gredelhi View Post

        Canonical issue can affect your ranking in google search engine. This problem occurred only in google search engine. As per google webmaster guideline, a web site with www & without www is treated two individual web sites with same content. So in this case google takes one web site as a duplicate content. It affects not only your ranking also affects your web site page rank. So you need to write a specific code so that when you enter domainname.com,
        That's just baloney. This is 2012, and google is one smart cookie.

        Why do you think they give you multiple options of linking to
        a youtube video, for just one example...

        I think it will be 2014 before some people start realizing it was 2012.

        Paul
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  • Profile picture of the author ChuckArdezzone
    When website opens in both version with www or without www it means there is a canonical error in the site. Website should be open in the only one version.
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  • Profile picture of the author shaadishoppe
    Canonical actually isn't not an actual error, but this particular tag defines that the content on the page is taken from other URL. When a search engine spiders crawls your canonicalize URL, it will redirect spiders to that URL.
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  • Profile picture of the author jaredrasc
    Yes canonical issue drop your website.. so it must be fixed. You can fix it by set preferred domain in webmaster tool or using 301 redirect in .htaccess file.
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  • Profile picture of the author VASEO
    Google can achieve for your web site through different Web addresses, this might produce a confusion of duplicate content for internet search engine. To avert this, we decide a frequent path for the site or say canonical path for the site.

    Should you not set a frequent path this might raise canonical issues.

    Much more about it here: http://googlewebmastercentral.blogsp...canonical.html
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  • Profile picture of the author DevilNup
    Canonical errors are simply the case of different URLs having the same content. for example the URLs www(.)abc(.)com and www(.)abc(.)com/index.php will open same page but search engines will consider these as two different URL creating issue of duplicate contents.
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  • Profile picture of the author leewatson07
    Duplicate domain is a canonical error like we have a website mysite dot com and it is opening with both of types means with world wide web sub domain and without world wide web sub domain . That's a canonical issue. we have apply 301 redirection on our website always
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  • Profile picture of the author keyuria
    A Canonicalization error occurs when the same webpage is able to be loaded from multiple URLs.

    Examples:
    http://www.domain.com
    http://domain.com
    http://www.domain.com/index.phphtml
    http://domain.com/index.html

    For human beings, the above URLs are all one and opens the same site when entered on the browser. However for the search engines all above are different URLs having similar content.

    More detailed explanation:
    Suppose your website is http://www.domain.com - Go to your browser and type it in, and your homepage will show up. Now if you have canonicalization error, if you go to the browser again and type in http://www.domain.com/index.html and your same page shows up. Google or any other search engiens will see the /index.html as the same page as home page and is going to render what your webpage will render from that address. Now in this case you can say you have two canonicalization error.

    Worst scenario is when you have four such errors. The above URLs I wrote are with www, what if they are also directing in the absence of www.

    As search engines see all these pages as different pages and they have same content, this is where you're going to run into a major duplicate content penalty that could really squash your ranking. So duplicate content does not only arise when you copy content from some other website and paste into your site but also because of such error.

    Google has to decide which url is the best represented from the possible options. Usually this would see the page with the most back links (internal and external) displayed in the search results, and so for most webmasters the problems remain hidden.

    The most significant disadvantage of canonical url problems is that any link juice is split between several possible options and therfore not maximising the full ranking potential of the page.

    How to eliminate the Canonicalization error?

    Very simple.

    To prevent the problem on an Apache server with rewrite enabled, place the following code in your .htaccess file:

    To redirect from the non-www version to the www version

    Code:
    RewriteEngine on
    RewriteCond %{HTTP_HOST} ^domain.com
    RewriteRule (.*) http://www.domain.com/$1 [R=301,L]
    To redirect from the www version to the non-www version
    Code:
    RewriteEngine on
    RewriteCond %{HTTP_HOST} .
    RewriteCond %{HTTP_HOST} !^example.com
    RewriteRule (.*) http://example.com/$1 [R=301,L]
    To redirect from yoursite.com/index.html to yoursite.com/
    Code:
    RewriteEngine on
    RewriteCond %{THE_REQUEST} ^[A-Z]{3,9} /.*index.html HTTP/
    RewriteRule ^(.*)index.html$ /$1 [R=301,L]
    To do the same for index.php simply replace .html with .php in the code.

    Please note above is only applicable for Apache Servers, the codes differ for Windows Server and ASP.

    Hope this helps
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  • Profile picture of the author Elfen Lied
    Hello,
    My dear friend, Canonical Error: When your website home page opens with both "http://www.yourdomain.com" and "http://yourdomain.com" is known as canonical error. And now as per concern of affect then yes canonical issue can affect your ranking in google search engine. This problem occurred only in google search engine. As per google webmaster guideline, a web site with www & without www is treated two individual web sites with same content. So in this case google takes one web site as a duplicate content. It affects not only your ranking also affects your web site page rank. I hope you got your answer.
    Regards
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  • Profile picture of the author vickyk
    Canonical error means like if you have one domain and that domain will open with both version like with www and without www so that's means your site have canonical issue actualy site should be open only single way like with WWW only..
    Thank's
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  • Profile picture of the author cnetic
    Agreed with dburk watch carefully the video. Hope you will find the error of SEO
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  • Profile picture of the author superjohn5566
    when you have similar content on different url then you need to redirect it to all url to single url. thats called canonization
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  • Profile picture of the author VivekThakur
    If your sites open With two or more url's like Link with www and without www ,This is what we called canonical error or problem. In case SEO ,Google takes it as two website with same contents and sometimes may punish it.This problem is only faces in Google search engine.Solution is 301 redirect.
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  • Profile picture of the author Jose Princely
    To be clear-when your home page opens with both "http://www.example.com" and "http://example.com" is known as canonical error.
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  • Profile picture of the author jaisonjohn
    Canonicalization issues is nothing but to have uniqueness of the URL i.e. http://yourdomain.com and http://www.yourdomain.com both are different pointing to similar content, so in this regard you need to redirect it using 301 or else can use canonical tag to ensure that you have unique URL.
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  • Profile picture of the author namesbeyond
    Originally Posted by amirsen View Post

    Hello All,

    I heard about canonical error anyone explain What is canonical error in SEO?


    Thanks
    If your website has problem with URLs then its called Canonical Issues
    For Example:
    If your website Shows same content for two different URLs like www and non www versions
    such issues are called canonical issues, to solve this you need to do 301 redirect.
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  • Profile picture of the author easypr
    When website open with WWW or without www this is called canonical issue.
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  • Profile picture of the author gurarpan
    Hello Friends

    I know what is canonical error but little bit confusion in how to resolve it.
    Thanks
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