Robin Good: Nonetheless Google has declared a full-blown war on "thin" and "shallow" content, since just about one year now, you like me, may be still confused about what constitutes that low-quality type of content that Google does not like.
Brian Ussery has recently published a good guide focusing specifically on this very aspect: Understanding exactly which could be the low-quality content signals that your web site or blog may still be sending out.
Key sections covered in this guide include:
- Content Authority
- Types of Authority
- Site Credibility
- Types of Credibility
- Content Purpose
- Content Scope
- Content Reliability
- Content Relevancy
- Content Recency
- Content Format
- Content Arrangement
- Content Treatment
Highly recommended. 8/10
Full article: http://www.beussery.com/blog/index.php/2012/01/quality-content/