SEO Moz: The SEO Pyramid
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A ‘keyword’ campaign needs to be selected very carefully, and form the basis of content, meta-tags and search-marketing campaigns.
Search engines rank websites according to other sites which link to them, and not all sites are created equal! A number of factors come into play in this, of which the main is still quality, relevant content.
Google Alerts are email updates of the latest relevant Google results (web, news, etc.) based on your choice of query or topic.
There is also be some helpful information in the blogs I follow.