Perhaps a better question to ask is this: how do you know that Google has crawled and indexed all of your website’s pages? If you’re a little guy, that’s easy; you can count that high. But those with bigger sites can easily lose track, as Mike Moran points out. And if you don’t at least have some kind of an estimate for the number of pages on your website, you don’t know if the search engines left any of them out of their indexes – or, indeed, just how many didn’t make it in. I’ve been working at SEO Chat now for nearly eight years, and I can’t begin to even guess how many pages we encompass. …