SEO or Search Engine Optimisation is the name given to activity that attempts to improve search engine rankings. SEO is complex with its 200+ factors that it uses. But at the heart of it, it is simply about Relevance & Authority. This is a simple infographic on what actually is SEO and common terms about SEO like Black hat, White hat and Google Algorithms & more.
Source: http://digitrio.com.sg/what-is-seo
See also:
- 14 Tips for SEO Friendly Blog Post [Infographic]
- Optimizing Speed, Performance and SEO for Joomla [Infographic]
- The New Face of SEO [Infographic]