Black hat includes:
It is set of seo tactics , seo can provide instant result but it have high risk factor.
It includes -clocking ,keyword stuffing , linkbuilding .
>clocking,doorway pages, keyword stuffing,hidden text,blog comment & link farming .
Following are some of popular Black hat SEO methods
Usage of Unrelated Keywords
Keyword Stacking and Keyword Stuffing on your webpage
Use of Tiny Text, Hidden Text, and Hidden Links in your webpage
Cloaking
Doorway Pages or Gateway Pages
Bait-and-Switch or Page Swapping
Duplicate Content or Mirror Site
Spam Blogs or Splogs
Blog Spam or Comment Spam
Black hat seo techniques should be avoided as these techniques do not follow search engine guidelines and hence they can be harmful for your website ranking. Following these methods can risk your website to search engine penalties.
following are the best black hat seo service
1. Cloaking
2. Link-exchanges
3. Duplicate Content
4. Buying Links
5. Keyword Stuffing
6. Hidden text
7. Link farms
8. Writing for search engines
9. Over-optimization
10. Low-quality content
TOP 5 BLACK HAT SEO TECHNIQUES
1 Hidden Content.
Top of our list of black hat SEO techniques is hidden content.
2 Meta Keyword Stuffing.
There are two Meta tags that are generally used to inform search engines of the content on the page.
3 Meta Keywords.
4 Doorway or Gateway Pages.
5 Link Farming.