duplicate content: canonicalize it!
DESCRIPTION
TRANSCRIPT
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15 april 2010, CAC Amsterdam
Duplicate Content
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Duplicate contentDuplicate content
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Introductie
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Mathieu BurgerhoutSEO consultant
Marketeer
Technique
Search Enginesgeek apple
wordpresstechno SEO usability
Netsociety Webshoptimizer
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Programme
• What is duplicate content?
• How to prevent duplicate content
• Canonical tag best practices
• Questions
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What is duplicate content?
• Dictionary:
{An identical copy}
• Google:
{indicates identical or even similar content on different websites and results in penalties from search engines}
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What is duplicate content?
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www.seomoz.com
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What is duplicate content?
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www.seomoz.com
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What is duplicate content?
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www.seomoz.com
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What is duplicate content?
www.seomoz.com
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Supplemental results
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Types of duplicate content
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The Classic
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Duplicate content
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Duplicate content
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Duplicate content: solution
• Permanent 301 redirect- Non-www to www
- Trailing slash
- Index.php ↔ /
• Bi-languals- Make the content differ
- Combine domains
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Types of duplicate content
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The Ugly
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Duplicate content
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That’s ugly!
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Duplicate content
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OMFG!!!
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Duplicate content
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Duplicate content: solution
• Canonical tag- Point to the ‘clean’ URL
• Exclude filter/sort pages- Robots.txt
- Meta noindex
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Types of duplicate content
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The Lazy
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Duplicate content
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Duplicate content
• Don’t copy/paste
• Make it unique- Mash ups
- Reviews
• 302 redirect
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Types of duplicate content
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The Unavoidable
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Duplicate content
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Duplicate content
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Duplicate content: solution
• Enough content- Overrule footer/menu with… content
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Canonical tag
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Poor man’s 301
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Canonical tag does…
• Only redirect search engines
• Is an “alternative” for a 301
• Can be used cross domain
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Canonical tag does not…
• Redirect visitors
• Work instantly
• Solve your problems (i.e. get your site right)
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Identifying canonicalization
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• Mathieu “Matt” Burgerhout• [email protected]• www.webshoptimizer.com• http://twitter.com/MathieuSEO• http://linkedin.com/in/zoekmachinespecialist• http://www.slideshare.com/webshoptimizer
Questions?