Name few Black Hat SEO techniques?

[eagleeye dental]

Name few Black Hat SEO techniques?

[Fli]

- stuffing articles by keywords and phrasses for purpose to increase SERP (ranking on google)
- mass building backlinks for purpose to increase page ranking, SERP

these techniques are penalized by google, so at the end page ranking can be worse than when we started

[SoftDev]

Scrapebox, GSA Search Engine Ranker, XRumer, GScraper, No Hands SEO and many more is the biggest name in BH SEO industry, also it depends on you how you use the tools to achieve your goals.

[Dean Brabin]

1. Unrelated Keywords
2. Keyword Stacking and Keyword Stuffing
3.Tiny Text, Hidden Text, and Hidden Links
4. Doorway Pages or Gateway Pages

[albertocosta]

Keyword stuffing
Hidden links
paid links
doorway pages
irrelevant keywords
duplicate content
cloaking