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Using tags to populate <link rel="canonical"> - more efficient way?
Hi.
I’ve got a line of code that I’m quite pleased with:
<link rel="canonical" href="<txp:if_individual_article><txp:permlink /><txp:else /><txp:if_section name=",default"><txp:site_url /><txp:else /><txp:site_url /><txp:section /></txp:if_section></txp:if_individual_article>" />
This, if my observations are correct, will correctly spit out the absolute URL for i) the site root, ii) a section and iii) an individual article. Ignoring search results for now, is this the most efficient way of doing it? I came up with after a fair amount of experimenting, so it’s potentially crufty.
Any and all suggestions for efficiency gains gratefully received.
Thanks :)
Pete
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Re: Using tags to populate <link rel="canonical"> - more efficient way?
It looks like it should work. The only thing I’m not sure about is if you actually need the , before the default.
Yiannis
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Re: Using tags to populate <link rel="canonical"> - more efficient way?
Thanks, colak. I have always used ,default to refer to the root of the site, I’ll try it with and without and report back for future reference.
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Re: Using tags to populate <link rel="canonical"> - more efficient way?
OK, good news: both of these options will automatically (and correctly) populate the <link rel="canonical href="..." /> section of <head>:
<link rel="canonical" href="<txp:if_individual_article><txp:permlink /><txp:else /><txp:if_section name=",default"><txp:site_url /><txp:else /><txp:site_url /><txp:section /></txp:if_section></txp:if_individual_article>" />
<link rel="canonical" href="<txp:if_individual_article><txp:permlink /><txp:else /><txp:if_section name="default"><txp:site_url /><txp:else /><txp:site_url /><txp:section /></txp:if_section></txp:if_individual_article>" />
More information on rel="canonical" and why it’s a factor in site SEO:
http://www.google.com/support/webmasters/bin/answer.py?hl=en&answer=139394
http://googlewebmastercentral.blogspot.com/2009/02/specify-your-canonical.html
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#5 2009-05-19 19:40:10
- els
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- From: The Netherlands
- Registered: 2004-06-06
- Posts: 7,458
Re: Using tags to populate <link rel="canonical"> - more efficient way?
name="default" and name="" both point to the front page as far as I know, so name=",default" is just entering the same value twice.
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Re: Using tags to populate <link rel="canonical"> - more efficient way?
Els wrote:
name="default"andname=""both point to the front page as far as I know, soname=",default"is just entering the same value twice.
That was also my understanding, rather that ,default covers both bases (no name and default) and is still semantically correct.
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#7 2009-08-28 15:45:41
- beechy
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- Registered: 2006-03-02
- Posts: 92
Re: Using tags to populate <link rel="canonical"> - more efficient way?
Hi gaekwad,
This is awsome, any ideas how I can get the category and author pages to display the rel=“canonical” link as well – at the moment they just display my site url as both are handled by my default page.
Last edited by beechy (2009-08-28 15:46:54)
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Re: Using tags to populate <link rel="canonical"> - more efficient way?
beechy wrote:
Hi gaekwad,
This is awsome, any ideas how I can get the category and author pages to display the rel=“canonical” link as well – at the moment they just display my site url as both are handled by my default page.
I’ll take a look – hadn’t thought of that :) Keep you posted.
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Re: Using tags to populate <link rel="canonical"> - more efficient way?
Alternative (?): Please also check/consider/compare smd_short_url: tiny/canonical URLs
Note: I am not using ‘smd_short_url: tiny/canonical URLs’ so I am not able to compare/check the output. And yes gaekwad, a zoo of if/else conditions can cover all possible canonical URL conditions :)
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