What is Google Sandbox in SEO?

[jasonhalle]

It is a filter that are usually placed on the websites as a means to prevent the websites that are normally weighted by Google’s ranking algorithm with an improved web page position in the Google Index.

It is also known as the Sandbox Effect. It relies on key factors such as the age of the domain and the competitiveness of the keywords being used.

[aliceta]

The Google Sandbox is an alleged filter placed on new websites. The result is that a site does not receive good rankings for its most important keywords and keyword phrases. Even with good content, abundant incoming links and strong Google PageRank, a site is still adversely affected by the Sandbox effect.