Google
Panda Update Overview: ( Last update is 24, on 22 jan 13, and 1.2% English search queries were effected)
This update is designed to reduce
rankings for low-quality sites—sites which are low-value add for users, copy
content from other websites or sites that are just not very useful. At the same
time, it will provide better rankings for high-quality sites—sites with
original content and information such as research, in-depth reports, thoughtful
analysis and so on.
Google Penguin :
1. Initial Penguin Update, April 24th
2012
2. Penguin 1.1, May 25th 2012
3. Penguin #3, October 9th 2012
Many in the
SEO community have speculated that some contributing factors to Penguin might
be things like:
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
2. Overuse of exact-match domains
3. Low-quality article marketing & blog spam
4. Keyword stuffing in internal/outbound links