Semi-Miphicle name filter, which Google in theory applies to new ones that have just appeared on the network web resources.

Translated as “sandbox", which implies that the young website should play in the children's zone for some time, without interfering with the" adult "located in the main issue of the search engine.

That is, the first few months, an active study of its contents and Google, so to speak, is still “looking” to the new resource, without haste to include it in the main cache, from where he can get into users available search results.

This will happen after 3 – 6 months if the young site proves that it can be “trusted” and its pages contain high-quality unique content, which can be interesting and useful for visitors.

There is also an alternative version that says that such a filter as “Sandbox” does not actually exist. And it proves pretty easily. Yes by high frequency (HF) queries new sites in the first months of their “life” may not be displayed in search results and this moment can be taken for getting into Sandbox. But it happens that Nh requests “youth” hits the first pages of search results, which implies that “Sandboxes” either do not or not everyone enters it.