The document discusses Google's Penguin algorithm which aims to decrease the ranking of websites violating Google's guidelines by targeting spammy links and keyword stuffing. It provides details on 5 Penguin updates from 2012 to 2013, with the largest in May 2013 affecting 2.3% of English queries. The updates penalized websites using aggressive linking practices or low-quality content. To avoid penalties, the summary recommends following Google's guidelines, creating natural links and high-quality optimized content.

1. By:
Johan Disuja

2. Google penguin is an algorithm that was first introduced on April 24,
2012 with the aim to decrease the ranking of the websites that violate
Google’s Webmaster Guideline. This update has increased the
relevancy and quality of the results of the search engine.
According to the internet marketing experts, following types of volition
can cause a negative impact of the update on the websites: 
Aggressive exact-match anchor text

Overuse of exact-match domains

Low-quality article marketing & blog spam

Keyword stuffing in internal/outbound links

3. 
Google 1st Penguin update – released on April 24, 2012

This algorithm affects around 3.1% of English queries

Websites using web spam technique heavily affected.

4. 
The Google Penguin’s 2nd update – May 26, 2012

The algorithm affected less than 0.1% of English searches.

5. 
3rd Google Penguin update – October 5, 2012.

Around 0.3% of English queries affected due to this new update.

6. 
4th Penguin update (dubbed “Penguin 2.0”) – arrived on May 22,
2013.

Impact on nearly 2.3% of English queries.

The update affected websites of almost all the languages over the
World Wide Web.

7. 
Google launched another (latest) Penguin update 2.1 (#5) on Oct.
4, 2013

Impact on around 1% search queries in English.

8. 
Drop in ranking

Drop in traffic

Loss in Sales

Permanent penalization by search engine – If excessive web spam
detected by Google.

9. 
Follow Google guidelines

Build Quality and natural links.

Avoid webspam techniques such as keyword stuffing, link schemes
etc.

Design search engine friendly website

High quality optimized content

10. Thanks a lots for reading….
Bye for now!!!