What is a Google dance?

[friedrichwest]

The Google Dance is an outdated slang term used to describe in Google for the reconstruction of their ranking during the time period, and the results of this reconstruction, the site's ranking in Google's search results page may from fluctuations in a few days. "Valley Song and Dance" will happen in any place 36 times a year, however, Google began in 2003, but eliminates the Google Dance a week to update its index.

 

[David101]

For specific time period When search engine going to update their algorithm or refresh the their database and Search engine results going to change for some time is called Google Dance.