Google Penalty: Fooling Google, Yahoo and other search engines is not that easy. You can’t come up with any shortcut to reach the top of any search engines. The search engines comes to know about it, they can ban your site. Google can cause you penalty by decreasing your search engine ranking. The penalty can be caused by failing to implement proper SEO techniques, using spam SEO techniques or using black hat techniques for SEO like link purchasing etc. Google is smart enough to trap you and is aggressive enough to penalize you for your illegal or usage of banned ways.