Google panda update are designed to improve search engine results and punish black hat seo.

1. http://www.corvusseo.com/

2. Google panda
update are
designed to
improve search
engine results
and punish
black hat SEO.

3. 6 Panda Update 6 Aug.12,2011 6-9%
7 Panda Update 7 Sep.28,2011 No change
8 Panda Update 8 Oct.19,2011 2%
9 Panda Update 9 Nov.18, 2011 1%
10 Panda Update 10 Jan.18,2012 No change
11 Panda Update 11 Feb.27, 2012 No change
12 Panda Update 12 23-Mar-12 1.60%
13 Panda Update 13 19-Apr-12 No change
14 Panda Update 14 27-Apr-12 No change
15 Panda Update 15 9-Jun-12 1%
16 Panda Update 16 25-Jun-12 1%
17 Panda Update 17 24-Jul-12 1%
18 Panda Update 18 Aug. 20, 2012 1%
19 Panda Update 19 Sept. 18, 2012 0.70%
20 Panda Update 20 Sept. 27, 2012 2.40%
21 Panda Update 21 Nov. 5, 2012 1.10%
22 Panda Update 22 Nov. 21, 2012 0.80%
23 Panda Update 23 Dec. 21, 2012 1.3%
24 Panda Update 24 Jan.17, 2013 1.2%

4. Panda updates mainly targets the websites
that have the following characteristics
Duplicate Content
Thin Content
Excessive ads
Over Optimization
site loading time slow
Improper SEO structure
Less Click Through Rates
Too many broken Links

5. Factors you should know about Google
Panda
It’s a domain level penalty.
A few low quality posts can drop overall domain
ranking.
Google trust quality sites.
Google Panda lowers down overall ranking of low
quality sites.
On-site SEO optimization becomes important.
The quality of a post is taken as a prime factor for
ranking.
Niche based websites are better than generic sites.
Social bookmarking and promotion works great.
Specially Google+1 is especially important.
No one has 100% recovered from Panda updates

6. Suggestions to avoid Google panda penalty
Write quality content.
Avoid blog commenting to get
back links.
Include Keywords in the title.
Avoid repeating your
keywords in heading and
subheadings.
Do lot of internal linking and
use proper anchor text.
Better avoid Excessive link
building techniques.
Avoid repeated posts on very
similar content.
Regular update of content.
Use the advantage of Google+