What are some famous Black Hat SEO techniques?

[Rscomp]

What are some famous Black Hat SEO techniques?

[MVMinfotech18]

1.Link Farming
2.Hidden text, etc.
3.Gateway or Doorway pages
4.Cloaking
5.Keyword Stuffing

[soniya_ss]

Well those techniques you can Google also. But let me tell you that black hat SEO will harm your website one day for sure. Your site will be penalized and so we don't suggest you to go with it. Follow Google's guidelines and work accordingly to get better results.

[ImpalaWardrobes]

Unrelated Keywords. ...
Keyword Stacking and Keyword Stuffing. ...
Tiny Text, Hidden Text, and Hidden Links. ...
Cloaking. ...
Doorway Pages or Gateway Pages. ...
Bait-and-Switch or Page Swapping. ...
Duplicate Content or Mirror Site. ...
Spam Blogs or Splogs.

[evejones]

Black hat techniques include keyword stuffing, cloaking, and using private link networks.

[RH-Calvin]

- Duplicate content
- Keyword stuffing
- Cloaking
- Hidden links