The Search Engine Guidelines tool will visit your web site(s) and check for possible violations of common search engine guidelines. You can use these results to help make informed decisions about the techniques that you use on your web site(s).
Your should always remember the following general rule when building their site:
search engines do not like to be fooled. Make sure you do not try to manipulate your your listings through sneaky methods. Provide useful, relevant content and you will never have to worry about search engine guideline violations.