Penguin 2.1 update details

The head of the Google web spam team Mr. Matt cutts announced penguin 2.1 update details via twitter on 5th October 2013.

This update affects one percent of searches to a noticeable degree.

Google has always said effective seo can make a site more crawl-able and make single pages more accessible and easier to find.

If your website keyword ranking is affected by this penguin 2.1 update, you can follow the below steps:  

Effective seo steps:

1. Create best content.
2. Make websites faster to the users and search engines.
3. Build quality relevant links.
4. Target best local links

Avoid the below things:

1. Link exchange : Reference URL: https://support.google.com/webmasters/answer/66356?hl=en
2. low quality and cheap links
3. poor content
4. keyword filling
5. Over optimization

Finally Google always want user doing white hat seo.

Source: http://googlewebmastercentral.blogspot.in/2012/04/another-step-to-reward-high-quality.html