PageRank has long been the standard high-level metric used to identify the relative quality of a web page. There's arguably limited value in using PageRank as a quality metric over the last few years, but it can still be meaningful in conjunction with other quality metrics (e.g., domain authority, page authority, etc.). In 2013, a new quality metric will take the spotlight when it comes to page quality and search engine ranking. This metric is affectionately known as AuthorRank (or Agent Rank, according to Google's patent). Here's why AuthorRank will help reshape search engine optimization in 2013:
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Social Doesn’t Help SEO, and That’s OK
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From Search Engine Journal
There's a lot of buzz in the search industry about social media and its impact on search engine optimization. True, some sites like LinkedIn get indexed in Google's search engine. That's because Google is allowed to crawl LinkedIn's discussion boards and Q&A section and index the stuff it finds there. Great. It's a hidden benefit if you're willing to spend a little time optimizing post titles and your profile. Notice that none of that, however, is being "social."
How Does Color Usage Affect SEO and Conversions?
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From Search Engine Land
Many search engine optimization professionals have different interpretations of the phrase "search-engine friendly website design." To some, it means crawlability — i.e., making sure that web content is accessible to the commercial web search engines. Other SEO professionals believe that search-engine friendly design is indexation — i.e., making sure web pages are included in a search engine index.