W3C compliance can have a positive impact on search engine rankings. It’s fair to conclude if code works well for the visitors and browsers, it can only benefit your efforts with the search engines. So, why would one take the risk of having bad Web site code, if good Web site code will help visitors and search engine spiders alike?
People who were aged 10, 15 and 20 years old in 1995 are today aged 24, 29 and 34 years, respectively. If we think about today's 24 to 34 year olds, we realize they all grew up with the Internet as an integral part of their life. If we change our paradigm and consider the "Internet boomer" audience as an integral part of our marketing strategy, we will increase the number of prospects our business will reach.