Google Penguin Algorithm Update

Google update its algorithm and launch it with the name of Google Penguin update. Google is continuously changing in his algo. In Penguin update Google penalizing or banning a website, this involved many of the following:

• Keyword stuffing
• Excessive use of site-wide links
• Unnatural anchor text distribution
• Excessive link acquisition
• Participating in link schemes (direct purchase)
• Using duplicated content

If you are using keyword anchor text less than 50 percent of the time were not to be affected by Penguin. Based on updates on Penguin update in Google, you should have a mix of brand name, generic and exact match keywords.  

1. Aggressive exact-match anchor text
2. Overuse of exact-match domains
3. Low-quality article marketing & blog spam
4. Keyword stuffing in internal/outbound links