Following an initial fresh content bonus, webpages that have only just been adopted into the Google directory or have an adequate number of backlinks for the first time are not awarded an appealing ranking for their relevant search term for some time after that, even if they have a sufficient number of inbound links and the on-page factors are also correct. This “sandbox effect” appears to last for several months, in some areas even up to a year. The sandbox is considered to be an effective way to combat spam, because spam-ridden “throwaway websites” serve only to create income for the spammer for a few months, before the websites possibly fall victim to a spam filter, no longer pay so well or become riskier. Due to the sandbox effect, these websites only achieve a financially worthwhile placement very slowly. This is why patience is an essential prerequisite for a successful Google search engine optimization.  The longer your page has already been on the web and the more inbound links it possesses, the smaller the “sandbox effect” will be.