1 trillion (as in 1,000,000,000,000) unique URLs on the web at once!Google posted a blog saying they find 1 trillion unique URLs. That's not counting pages with exact content. To put it into perspective, 1 trillion links is like
a map about 50,000 times as big as the U.S., with 50,000 times as many roads and intersections.on the top of that 1 trillion pages, there are several billion pages added to the web per day. If that's correct, we will hit 2 trillion roughly this time next year.