Black hat SEO strategies will not go for long before they are discovered. Being discovered by the search engines that you have illegal ways will mean your site being banned or blacklisted in a way that it will never get top rankings.
The black hat SEO strategies are being discovered daily. There are those strategies that are still being discovered by professionals in SEO, and will soon be identified by the search engines, and will eventually appear in the black list.
The following are some of the common black hat SEO techniques that ought to be avoided if you do not wish to have your site go to the black books of the search engines.
The Use of Text that is Invisible
There are those who use different color backgrounds to hide the text. They may put text on a white background or contrasting colors. This is a common trick that has been discovered by Google and other search engines, and will lead to the banning of your site.
Stuffing Content with Keywords
There are those who stuff their content with keywords. The pages are therefore not made to look natural. The search engines will play well with the natural content, and will therefore black list the sites that have stuffed keywords content.
Use of the Doorway Pages
There are pages that are merely created for the purpose of the search engines rankings. These are the ones referred technically as the doorway pages. There are SEO firms that do doorway pages to trick the search engines. As noted earlier, this may work in the short run but will not help for long.
Use of the Cloaking Techniques
Google is notorious for tracking the content of your site periodically. It has what is called googlebot.
Googlebot is an automated robot. Its function is to visit all pages in the Google index and do analysis. You may be the kind that shows different pages to goooglebot from the one that you show to real visitors. That will definitely be discovered, and may lead to your site’s isolation by Google.