Search Engine Optimization (SEO) is the process to affect the visibility of a website or a webpage in organic or unpaid search results of a search engine.
Basically, there are four main types of Search Engine Optimization(SEO) which are aimed to boost content rating and visibility in search results.
White Hat SEO
The SEO techniques which are according to the guidelines provided by Google webmaster are considered white-hate SEO. This includes writing relevant content that is helpful for the reader and promoting this content social media to have great exposure. Usually, this technique is time-consuming and cost more to produce results.
Black Hat SEO
Black hat SEO is all about shortcuts. It lets you achieve your results sooner and without spending much. The black hat SEO techniques are against the guidelines provided by Google. Many black hat SEO tactics are labeled in the guidelines as the things you should not do.
Grey Hat SEO
The grey hat SEO ranks somewhere between white hat and black-hat. These are the techniques that are not labeled as deceptive by the GoogleWebmaster Guidelines such as producing content to attract visitors and encouraging them to click on a link leading them to another website.
Blue Hat SEO
Many SEO are only familiar with three types of SEO techniques i.e., white, grey and black hat SEO. The blue hat SEO is something new for them. Basically, it consists of advanced online marketing and SEO techniques that cover both white hat and black hat SEO. The black hatters use their marketing practices and search engine understanding to twist search, results.