In this video we will discuss types and methods of search engine optimization. What are the different types of SEO,what types should be followed,what types should not me followed ,what you should be doing and what you should not be doing in search engine optimization.Some black hat SEO techniques include: link spam, keyword stuffing, cloaking, hidden text, and hidden links. Quick, unpredictable, and short-lasting growth in rankings. The work of most search engine optimization companies, however, operate in a gray area, aptly named Gray Hat search engine optimization.