What is Google Panda ?

[Bung1948]

Proper pool water chemical levels have a great deal to with the source water used. It is best to do a source water test before even thinking about testing the pool.

[Thad1991]

I know about social media marketing. But how can I setup social media marketing category and how can I use it?

[TommyTommy]

Google Panda is a change to Google's search results ranking algorithm that was first released in February 2011. The change aimed to lower the rank of "low-quality sites" or "thin sites", in particular "content farms", and return higher-quality sites near the top of the search results.

[shiwangi]

Panda updates are focused on penalizing the ranking of sites with a poor user experience and improves the ranking of sites with a positive user experience.
Why does Google do this… because you want to find a website that provides an answer to what you are looking for, not a website with a bunch of popups and ads.