Black hat SEO refers to measures that try to raise the search ranking by a method not recommended by Google. Google uses its own algorithm to determine search rankings, but in some cases it is possible to reverse the algorithm and increase the search ranking.
Building a self-made self-made link using Google’s evaluation of external links Hidden text and keyword stuffing using Google ‘s evaluation of in-page text. Google evaluates by showing different content to Google and users Cloaking to guide the user to a different page Such actions are expressly prohibited by Google’s guidelines and will be penalized if detected by Google. If you get a penalty, you will lose a lot of search traffic, so you should not take any measures that are applicable to Black Hat SEO. On the other hand, SEO performed by the method recommended by Google is called White Hat SEO.