Google sandbox is a filter that Google places on new sites which prevent new sites rank for keyword phrases. The idea behind this effect is to discourage spam sites from rising quickly to top positions by quickly building huge number of backlinks through unethical paid links and other sorts of spam methods and also avoid these spam sites repeating the same process after being banned for violation of Google terms.

Google sandbox filter seems to affect all new websites on placing them on an initial 'probation ' status.

Google Sandbox keeps competition a bit harder because each new website has to wait while it rank in Google search results.

The Google Sandbox Effect is a theory used to explain why newly-registered domains or domains with frequent ownership changes rank poorly in Google Search Engine Results Pages (SERPS). In other words new websites are put into a “sandbox” or a holding area and have their search ratings on hold until they can prove worthy of ranking.

This is a new concept for me. I need to learn more.

Yeah the only thing you can do is quality backlinks, and quality fresh content on a regular basis, until Google stops being difficult. New sites typically rank pretty high though actually, temporarily, it's called the google dance and sandbox is from what i've seen just for punishing websites, but they change a lot so IDK.

Google Sandbox is only a theory made up by Seo'ors, and it doesn't exist where some say a new website is place in a "sandbox" which is not true. Once the pages are live, they are live, keep up with your site and don't worry about the "sandbox".

Google Sandbox preventing a new site to be listed through optimization and link building. Some people defend that Sandbox is not existing any more.

Google Sandbox effect of frequent changes in ownership of the newly registered domain or domains to Google's search engine results pages (SERPS) in the low priority that is used to describe the reason is the theory. The new website that "sandbox" or calcined put them on hold until you can prove the value of the ranking grade is the search.

Many webmasters respond to their websites confinement to the Sandbox by spending endless hours forever checking the listings in Googles results pages for any sign of their website.As far as Google is concerned not all sandbox invites are equal. Certain factors will determine the length of your stay in the Google sandbox.