The Google detected Black Hat Techniques

Link farms: They were used to send links to a large number of web pages, generally they were exchanged between webmasters with the aim of increasing the authority of the web pages that were exchanging them.

Hidden texts and links with the aim of sending links from a page without being detected by the user or to include invisible content that is positioned on the web by other terms.

Keyword Stuffing: Keyword Stuffing is the over saturation of the web with the objective keyword to position it by that specific key chain. Using this technique today will bury your website on the last pages of Google in no time.

Spined Articles.

It consists of stealing data from other web pages and passing it through a computer program that changes most of the words by synonyms, getting them to be interpreted by original content. It used to be used to position websites loaded with advertising.

We must take this small extract into account when establishing an SEO strategy on our website. If we do Black Hat SEO consciously or not, we can condemn our site to a penalty using a technique that no longer provides any kind of benefit.

Conclusion

Black hat SEO technique is basically a way to achieve temporary success through unethical tactics that fall into trap. SEO professionals use this technique because it offers good results in less time, although it damages a website's reputation.

At this time, you will wonder what type of hat you can use, but the answer depends on your goals and objectives.

Thus, the black hat is the least recommended by experts, because its results are temporary and its use can be penalized.