Search engine optimization (SEO) is strategies, techniques and tactics to increase the number of visitors to a website. It is  is the process of affecting the visibility of a website or a web page in a search engine’s “natural” or un-paid (“organic”) search results. This infographic will show you the history of search engine optimization 1994 – 2014. It will show some of the biggest events in the history of SEO over the past two decades.

Source: https://plus.google.com/u/0/117050651698767370248/posts/NeGTVx6oSca

See also:

• 14 Tips for SEO Friendly Blog Post [Infographic]
• How Responsive Website Can Increase Your Conversion Rate [Infographic]
• Social Media Workflow [Infographic]