Did you know Google’s Search Engine Robot is pretty old?
Why do you suppose Google and other search engines, hardly ever update their search engine robots or come introduce newer robots with new functionality?
The reason is simple. The older robots do the job just as well as they always have and that’s because the robot’s job never changes. The robot basically exists to simply capture content and links and return it to the search engine.
Google’s Indexing Process - Everflux
You have noticed that your NEW website was in Google yesterday & ranking well & today it’s gone! What happened? There is a very easy explanation for the above phenomena & it’s been referred to as “Everflux”.
Using Google for Keyword Research
Did you know that you can use Google's keyword research tool which suggests keywords "related" to the term/phrase you enter.