What are some famous Black Hat SEO techniques?

What are some famous Black Hat SEO techniques?

Content Automation.
Doorway Pages.
Hidden Text or Links.
Keyword Stuffing.
Reporting a Competitor (or Negative SEO)
Sneaky Redirects.
Cloaking.
Link Schemes.

We advise not to follow any black hat SEO techniques. It can harm your website in the future. So follow the guidelines of the Google if you are doing SEO for your website.

- Duplicate content
- Keyword stuffing
- Hidden texts & links
- URL masking
- Cloaking