- the volume of incoming links from similar websites
- quantity and quality of content
- technical precision of source code
- spelling,
- functional v. broken hyperlinks
- volume and consistency of searches and/or viewer traffic
- time within website
- page views
- revisits
- click-throughs
- technical user-features
- uniqueness
- redundancy
- relevance
- advertising revenue yield
- freshness
- geography
- language and other intrinsic characteristics.
Keep these 18 factors in mind when launching a new SEO campaign for 2013. Content is king, keep your page fresh, relevant and easy to navigate/read and your already ahead of your competition.