Here I am sharing tips and trick to avoid Back Hat SEO.
You can use these tips and trick in your website and avoid de indexing of your website.

#Topic Covers
Copied Content
Content Automation
Bait and Switch
Article Spinning
Scraped Content
Cloaking
Malicious Active Content
Clickbait
Keyword Stuffing
Over-Optimized Alt Description
Commercial Anchor Text on Internal Pages
Irrelevant Keywords
Linking Over-Optimization
Hidden/ Invisible Text and Links
HTML Heading Over-Optimization
Web Rings
Guest Post Spam
Link Farm
Link-bait and Switch
Buying Reviews with Links
Link Exchange
Blog Comment Spam
Link Redirects
Commercial Anchor Text
Spam Footer Links
Link Selling
Buying Links
Directory Listing
Parasite Hosting
Google Bombing
Doorway Pages or Gateway Pages
Rich Snippet Markup Spam
Automated Google Queries
Mirror Sites
Private Blog Networks

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