What is google dance and how it is works ?

I haven't been doing any excessive linkbuilding, I'm getting around 5 daily 1 way backlinks from blog network and also I add some backlinks myself from high Google Page Ranking websites, especially commenting articles or squidoo lenses and I'm always pinging them, the rest of my sites are stable only the one most important for me dropped I hope it will be back soon
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The name "Google Dance" is often used to describe the index update of the Google search engine. Google's index update occurs on average once per month. It can be identified by significant movement in search results and especially by Google's cache of all indexed pages reflecting the status of Google's last spidering. But the update does not proceed as a switch from one index to another at one point in time. In fact, it takes several days to complete the index update. During this period, the old and the new index alternate on www.google.com. At an early stage, the results from the new index occur sporadically. But later on, they appear more frequently. Google dances.

The Google Dance Tool is provided as a tool to help you, the webmaster, determine when the Google search engine is spidering the internet. This is extremely useful if you want to know when your site(s) will rank in Google.

U can take some more inforations : google-dance-tool.com

The name "Google Dance" is often used to describe the index update of the Google search engine. Google's index update occurs on average once per month.

The name "Google Dance" is often used to describe the index update of the Google search engine. Google's index update occurs on average once per month.

Google Dance is term that done by google used to describe the period of time which Google used to rebuild the rankings of the website, this time periods called google dance......