Make no fault; search engines want people to perform SEO because it can help improve their search results. Search engines provide help in the form of guidelines, blog posts and videos to encourage specific SEO techniques.
Violation that will cause your website to be penalized is hiding text on your website. Hiding text is when you cover certain words in the content on your website in order to achieve a high search engine rating. A prime example of this is using specific keywords in black font against a black background. This is an attempt to trick the search engines as readers are unable to see the hidden words. Needless to say, hiding text is a deviant act that search engines take extremely serious. Six primary violations:- Thin Content, Keyword Stuffing, Hidden, Cloaking, Link Spam, Paid Links