Due to this lack of guarantees and assurance, a service that relies heavily on online search engine website traffic can suffer major losses if the internet search engine stop sending out visitors. Search engines can transform their algorithms, influencing a website's placement, perhaps causing a severe loss of web traffic. According to Google's Chief Executive Officer, Eric Schmidt, in 2010, Google transformed 500 algorithm changes-- virtually 1.5 each day. It is considered a smart organisation practice for web site operators to liberate themselves from dependence on search engine traffic. In addition to ease of access in terms of internet spiders (resolved over), user internet ease of access has actually come to be increasingly vital for Search Engine Optimization.