What is Social Signals

In this article, we will discuss at length the subject of Search Engine Optimization (SEO), its different characteristics and why basic SEO knowledge is considered as a useful tool for any web business. The article will address both the theoretical and practical issues related to the design and implementation of SEO and also will cover previous research done on this topic. In order to give a better understanding of the importance of SEO in the current state of the Internet and in information search, basic knowledge of how search engines operate along with their recent updates will also be provided. The development of World Wide Web (Web 2.0) along with the growth of search engines over the last decade has brought significant changes in web content. In this context, we will see how SEO has evolved over the years since mid 90's when it first emerged. Nowadays, social media and social signals have increasingly become one of the many factors search engines take seriously into account, which is another issue that this article will address.