Google updates its algo and database in regular interval. During that period, a major shift can be witnessed in its ranking. This sudden change in its ranking for the sake of bettering its capability is known as Google Dance.
The name "Google Dance" is often used to update the Google search engine index. Google's index update occurred on average once a month. In the case of updating the index movement was significant in Google's search results and display a link to the back pages. But since 2003 the Google index update constantly. Faced with an updated index of total hours and during that time a new round showing links. But the impact of the update will appear in search results Amel void.
Tell us page has been met, therefore complement Google dance. Information centers, however, that this update is the "dance".
During a Google update, the SERPs returned by Googles various datacenters are different, some showing the new SERPS and some showing the old ones. The SERP placement of a site will change from minute to minute and this is referred to as Google "dancing"
Best way to approach a Google dance, whether temporary or a SE algorithm change is to build more backlinks and scrutinize your own ONpage SEO efforts to ensure all pages are unique and relevant for the content on the page. Other than that, not much you can do but wait.
Google dance is the time when Google come on your site
insistently before Page Rank update. You must keep ready when the time has come cause it'll determine your site rank.
Google dance is something which happens to the SERP of a website based on keyword after the update made by google. The changing in SERP position is called google dance. Do a little more google search to know more.