It is difficult for Google to have a good ranking or even no ranking within just a few months after the new site was launched. This phenomenon is called:Sandbox-Sandbox effect.
A new website, even if Seo has been well optimized: a wide range of related content, a large number of high-quality external links, a friendly website URL search engine, and a friendly website structure user experience. However, in the last few months, Google could hardly find a good ranking.
Google'sSandbox-The Sandbox effect usually lasts for six months. In the past six months, the new site should constantly improve Seo In various aspects. After the sandbox effect, there will generally be a good ranking.
Baidu also has a "renewal term" for the new site, generally two months. In the past two months, too many changes have been made to the website structure. Modifying the article title will reduce Baidu's trust in the site.
From: http://www.seowhy.com/43_62_zh.html