In 2015, in addition to 2016, the main SEO companies have suffered a decrease in the number of companies, in 2017 there is likelihood of progress in the differentiation in the form of business.
Companies engaged in the development and sale of professional software for SEO that specialize in the elaboration of traditional SEO. It should be noted that in the past, the software giant SEO has several companies in the industry and has been introduced in a smooth, like a monopoly. Once there is SEO software in the world, It probably also changed the SEO industry. In 2017, SEO software that has been a very lightweight subject, could finally reach its maturity.