In the SEO fraternity Canonical Tags are quite hot now a days. Everyone is interested in knowing how much importance does really all the search engines give them. Is it really a way out??
Canonical Tags - < rel="canonical" href="http://www.abc.com/abc.html">
Canonical Tags are the html code which should be inserted in the head section of the duplicate webpage, which tells the crawler that they are on a duplicate page and the original content can be found on the specified URL.
Content duplicacy is always a issues for various search engines. So the major search engines i.e. Google, Yahoo and MSN come up with this canonical tag. So if there are two or more similar pages with same content then on the duplicate pages this tag can be placed with a link to the original page. In this way the search engines will restrict them again from crawling the duplicate content.
In the Google Search Master Conference 2009, Bangalore, India Adam Lasnik was discussing about Canonical Tags and redirection as a way to avoid duplicate content. Though some webmasters are expressing fear on the usage of tag and they feel it can be misused or abused. If a website A generates some content and the website B copies it and say that its Canonical, then Wat??
In my opinion some more thoughts should be given on the issue of canonical tags. I hope Search Engine crawlers are intelligent enough to avoid such canonical tag references. Please pen in your thoughts in the comments area.
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