As search engine optimization has grown more popular, so has the use of unethical SEO techniques. After you've read this, you'll know what techniques are underhanded and which are acceptable. So what are 'Black Hat' techniques?
'Black Hat' techniques are unethical techniques that some web site owners use to get their site listed on search engines. They usually use these techniques to get a high search engine listing. Here is a list of three common 'Black Hat' techniques you should avoid if you want to please search engine spiders.