Indexing 8 billion websites is quite an accomplishment for Google

So how do you determine which listings to lose?

Example: With this knowledge provided by the "WHOIS" data base, Google can also see how many years you've registered each domain name for. For instance, if you register all your domain names for only 1 year, there is a possibility that you don't plan on using these domain names for the long term. Instead, you may be using these new domain names simply to keep up with new changes on the internet and new standards in search engine optimization.

On the other hand, if you register all of your new domain names for the next 5 years, it is more likely that you are going to use these domain names in the future. This now gives more relevance to each domain name you register for more than 1 year.

Anything else like this?

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