Do you like to be banned by the major search engines? You can try these dangerous SEO techniques to deliver a fatal blow on your web site's life span.

Take the German automaker BMW site (www.bmw.de). It was earlier banned by Google for utilizing spam techniques.

So what are the dangerous techniques in search engine optimization services?

Dangerous SEO techniques are as follows:

1. cloaking
2. doorway/mirror pages
3. hidden text
4. hidden links
5. excessive links
6. link farms
7. keyword stuffing
8. IP delivery
9. selling PR
10. multiple domains
11. multiple identical sites
12. leader pages
13. mini-site networks
14. Blog spam
15. Forum spam

If you want your site to remain breathing in the index of major search engines such as Google, Yahoo, MSN, and Alexa, avoid the mentioned dangerous SEO techniques to shun detrimental penalty. Still, the wisest way of achieving high page ranking and placement is to abide by the legit rules.