Black hat: that is, through junk links, hidden web pages, door pages, keyword stacking and other methods, to achieve the purpose of rapid search engine optimization.
Grey hat: it is an optimization method between Whitehart and black hat. Its methods are diversified, not only using white hat or black hat technology, but focusing on the overall and local two-way search engine optimization strategy.
Extended data
White hat, black hat and gray hat are mainly distinguished by optimization methods:
1, white hat SEO is the most standardized search engine optimization technology. The main feature is to use appropriate methods to make the ranking of web pages in search engines rise. Websites that usually use white hat SEO technology usually have a long optimization cycle, but they are rarely punished by search engines, and they can get good rankings for a long time, thus gaining long-term benefits for the website. Because the effect of white hat technology is too long.
2. Corresponding to white hat SEO is black hat SEO technology. Black hat optimizes its ranking by cheating, and mainly uses methods such as keyword superposition, hidden text, buying and selling links, door pages and so on. Since it is optimized in an irregular way, it will inevitably become the target of search engines, so most websites that use black hat technology will not last long.
3. Grey hat SEO is an SEO technology between white hat and black hat. It uses some tricks or slight deception, because these behaviors do not seriously violate the rules and strictly abide by the fair principle of search engines. Its characteristic is that it can quickly improve the ranking of websites, and it is not easy to be punished by search engines, and most SEOer will use it.
References:
Baidu encyclopedia-white hat
References:
Baidu encyclopedia-grey hat