Wed Jan 09 21:02:44 PST 2019

building blocks of language and of search
In fact, the entire science
of information retrieval (including web-based search engines like
Google) is based on keywords
As the engines crawl and index the
contents of pages around the web, they keep track of those pages in
keyword-based indices
Thus, rather than storing 25 billion web
pages all in one database (which would get pretty big), the engines
have millions and millions of smaller databases, each centered on a
particular keyword term or phrase
This makes it much faster for the
engines to retrieve the data they need in a mere fraction of a second

Obviously, if you want your page to have a chance of being listed in