(Disclaimer: These are all 100% white-hat ideas.)
If Google succeeds at becoming the ‘third half of your brain’, then it’s probably going to be pretty empty. You see, despite our utter dependence on the almighty search engines, Google and the rest of the gang merely scratch the surface of the Web — literally. Right now, search engine crawlers are only able to access and index less than 10% of the world’s half-a-trillion public web pages. The remaining 90% belong to a place called the Deep Web’.
As it turns out, the way pages and information are organized and made available on the Deep Web has a lot to teach us about optimizing our sites here on the surface. So, let’s take a deep dive and see what we can learn.